13213233111112 has 16 divisors (see below), whose sum is σ = 26232153970860. Its totient is φ = 6217992052224.

The previous prime is 13213233111107. The next prime is 13213233111137. The reversal of 13213233111112 is 21111133231231.

It can be written as a sum of positive squares in 2 ways, for example, as 10044170916516 + 3169062194596 = 3169254^2 + 1780186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48578062773 + ... + 48578063044.

Almost surely, 2^{13213233111112} is an apocalyptic number.

It is an amenable number.

13213233111112 is a deficient number, since it is larger than the sum of its proper divisors (13018920859748).

13213233111112 is a wasteful number, since it uses less digits than its factorization.

13213233111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97156125840 (or 97156125836 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

Adding to 13213233111112 its reverse (21111133231231), we get a palindrome (34324366342343).

The spelling of 13213233111112 in words is "thirteen trillion, two hundred thirteen billion, two hundred thirty-three million, one hundred eleven thousand, one hundred twelve".