1113311013212 has 24 divisors (see below), whose sum is σ = 1972468713600. Its totient is φ = 549763022336.

The previous prime is 1113311013211. The next prime is 1113311013223. The reversal of 1113311013212 is 2123101133111.

It is a super-2 number, since 2×1113311013212² (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 (1113311013211) 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, 1504637 + ... + 2119092.

It is an arithmetic number, because the mean of its divisors is an integer number (82186196400).

Almost surely, 2^{1113311013212} is an apocalyptic number.

It is an amenable number.

1113311013212 is a deficient number, since it is larger than the sum of its proper divisors (859157700388).

1113311013212 is a wasteful number, since it uses less digits than its factorization.

1113311013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624685 (or 3624683 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1113311013212 its reverse (2123101133111), we get a palindrome (3236412146323).

The spelling of 1113311013212 in words is "one trillion, one hundred thirteen billion, three hundred eleven million, thirteen thousand, two hundred twelve".