1012113311320 has 64 divisors (see below), whose sum is σ = 2334347346240. Its totient is φ = 394708684800.

The previous prime is 1012113311299. The next prime is 1012113311359. The reversal of 1012113311320 is 231133112101.

It is a super-2 number, since 2×1012113311320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273824 + ... + 2682256.

It is an arithmetic number, because the mean of its divisors is an integer number (36474177285).

Almost surely, 2^{1012113311320} is an apocalyptic number.

1012113311320 is a gapful number since it is divisible by the number (10) 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 1012113311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167173673120).

1012113311320 is an abundant number, since it is smaller than the sum of its proper divisors (1322234034920).

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

1012113311320 is a wasteful number, since it uses less digits than its factorization.

1012113311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409996 (or 409992 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1012113311320 its reverse (231133112101), we get a palindrome (1243246423421).

The spelling of 1012113311320 in words is "one trillion, twelve billion, one hundred thirteen million, three hundred eleven thousand, three hundred twenty".