13331121020012 has 24 divisors (see below), whose sum is σ = 23460445768704. Its totient is φ = 6628241199312.

The previous prime is 13331121019991. The next prime is 13331121020057. The reversal of 13331121020012 is 21002012113331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12575828 + ... + 13594619.

It is an arithmetic number, because the mean of its divisors is an integer number (977518573696).

Almost surely, 2^{13331121020012} is an apocalyptic number.

It is an amenable number.

13331121020012 is a deficient number, since it is larger than the sum of its proper divisors (10129324748692).

13331121020012 is a wasteful number, since it uses less digits than its factorization.

13331121020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26171165 (or 26171163 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13331121020012 its reverse (21002012113331), we get a palindrome (34333133133343).

The spelling of 13331121020012 in words is "thirteen trillion, three hundred thirty-one billion, one hundred twenty-one million, twenty thousand, twelve".