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1030220353212 = 22385851696101
BaseRepresentation
bin11101111110111011110…
…10110000111010111100
310122111011211100102122020
432333131322300322330
5113334342402300322
62105135433320140
7134300551342041
oct16773572607274
93574154312566
101030220353212
11367a06593616
121477b6866050
13761c31c304b
1437c11c511c8
151bbe98ba05c
hexefddeb0ebc

1030220353212 has 12 divisors (see below), whose sum is σ = 2403847490856. Its totient is φ = 343406784400.

The previous prime is 1030220353181. The next prime is 1030220353213. The reversal of 1030220353212 is 2123530220301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10302203532122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030220353213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42925848039 + ... + 42925848062.

It is an arithmetic number, because the mean of its divisors is an integer number (200320624238).

Almost surely, 21030220353212 is an apocalyptic number.

1030220353212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030220353212 is an abundant number, since it is smaller than the sum of its proper divisors (1373627137644).

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

1030220353212 is a wasteful number, since it uses less digits than its factorization.

1030220353212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85851696108 (or 85851696106 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 1030220353212 its reverse (2123530220301), we get a palindrome (3153750573513).

The spelling of 1030220353212 in words is "one trillion, thirty billion, two hundred twenty million, three hundred fifty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 85851696101 171703392202 257555088303 343406784404 515110176606 1030220353212