10113312012 has 48 divisors (see below), whose sum is σ = 24130579200. Its totient is φ = 3295615680.

The previous prime is 10113311993. The next prime is 10113312031. The reversal of 10113312012 is 21021331101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10113311993) and next prime (10113312031).

It is a junction number, because it is equal to n+sod(n) for n = 10113311982 and 10113312000.

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, 88689 + ... + 167607.

It is an arithmetic number, because the mean of its divisors is an integer number (502720400).

Almost surely, 2^10113312012 is an apocalyptic number.

10113312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10113312012 is an abundant number, since it is smaller than the sum of its proper divisors (14017267188).

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

10113312012 is a wasteful number, since it uses less digits than its factorization.

10113312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79166 (or 79164 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10113312012 its reverse (21021331101), we get a palindrome (31134643113).

The spelling of 10113312012 in words is "ten billion, one hundred thirteen million, three hundred twelve thousand, twelve".