10113011212 has 24 divisors (see below), whose sum is σ = 18633489840. Its totient is φ = 4789278720.

The previous prime is 10113011203. The next prime is 10113011219. The reversal of 10113011212 is 21211031101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10113011192 and 10113011201.

It is not an unprimeable number, because it can be changed into a prime (10113011219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390012 + ... + 415132.

It is an arithmetic number, because the mean of its divisors is an integer number (776395410).

Almost surely, 2^10113011212 is an apocalyptic number.

It is an amenable number.

10113011212 is a deficient number, since it is larger than the sum of its proper divisors (8520478628).

10113011212 is a wasteful number, since it uses less digits than its factorization.

10113011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30441 (or 30439 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10113011212 its reverse (21211031101), we get a palindrome (31324042313).

The spelling of 10113011212 in words is "ten billion, one hundred thirteen million, eleven thousand, two hundred twelve".