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1010230221312 = 2932131719109479
BaseRepresentation
bin11101011001101100110…
…10011101101000000000
310120120120200101111212200
432230312122131220000
5113022422414040222
62052032055353200
7132662306125104
oct16546632355000
93516520344780
101010230221312
1135a488694654
12143958082800
1374358891c30
1436c76db7904
151b42994ceac
hexeb3669da00

1010230221312 has 960 divisors, whose sum is σ = 3539023488000. Its totient is φ = 274041667584.

The previous prime is 1010230221289. The next prime is 1010230221353. The reversal of 1010230221312 is 2131220320101.

1010230221312 is a `hidden beast` number, since 1 + 0 + 102 + 30 + 221 + 312 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2109039889 + ... + 2109040367.

It is an arithmetic number, because the mean of its divisors is an integer number (3686482800).

Almost surely, 21010230221312 is an apocalyptic number.

1010230221312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010230221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769511744000).

1010230221312 is an abundant number, since it is smaller than the sum of its proper divisors (2528793266688).

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

1010230221312 is a wasteful number, since it uses less digits than its factorization.

1010230221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1010230221312 its reverse (2131220320101), we get a palindrome (3141450541413).

The spelling of 1010230221312 in words is "one trillion, ten billion, two hundred thirty million, two hundred twenty-one thousand, three hundred twelve".