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1030320222012 = 223273894405111
BaseRepresentation
bin11101111111000111101…
…11101110111100111100
310122111102210021021212200
432333203313232330330
5113340043434101022
62105153402031500
7134303203246524
oct16774367567474
93574383237780
101030320222012
11367a579a5514
121478241a8590
137620aabbc03
1437c2120a684
151bc03545bac
hexefe3deef3c

1030320222012 has 72 divisors (see below), whose sum is σ = 2669762178720. Its totient is φ = 334929323520.

The previous prime is 1030320222007. The next prime is 1030320222013. The reversal of 1030320222012 is 2102220230301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030320222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1968664 + ... + 2436447.

It is an arithmetic number, because the mean of its divisors is an integer number (37080030260).

Almost surely, 21030320222012 is an apocalyptic number.

1030320222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030320222012 is an abundant number, since it is smaller than the sum of its proper divisors (1639441956708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030320222012 is a wasteful number, since it uses less digits than its factorization.

1030320222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405283 (or 4405278 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1030320222012 its reverse (2102220230301), we get a palindrome (3132540452313).

The spelling of 1030320222012 in words is "one trillion, thirty billion, three hundred twenty million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 73 89 146 178 219 267 292 356 438 534 657 801 876 1068 1314 1602 2628 3204 6497 12994 19491 25988 38982 58473 77964 116946 233892 4405111 8810222 13215333 17620444 26430666 39645999 52861332 79291998 158583996 321573103 392054879 643146206 784109758 964719309 1176164637 1286292412 1568219516 1929438618 2352329274 2894157927 3528493911 3858877236 4704658548 5788315854 7056987822 11576631708 14113975644 28620006167 57240012334 85860018501 114480024668 171720037002 257580055503 343440074004 515160111006 1030320222012