13311121001012 has 24 divisors (see below), whose sum is σ = 23466671981760. Its totient is φ = 6606425030400.

The previous prime is 13311121000987. The next prime is 13311121001039. The reversal of 13311121001012 is 21010012111331.

It is a congruent 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, 7641437 + ... + 9220292.

It is an arithmetic number, because the mean of its divisors is an integer number (977777999240).

Almost surely, 2^{13311121001012} is an apocalyptic number.

It is an amenable number.

13311121001012 is a deficient number, since it is larger than the sum of its proper divisors (10155550980748).

13311121001012 is a wasteful number, since it uses less digits than its factorization.

13311121001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16863191 (or 16863189 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 13311121001012 its reverse (21010012111331), we get a palindrome (34321133112343).

The spelling of 13311121001012 in words is "thirteen trillion, three hundred eleven billion, one hundred twenty-one million, one thousand, twelve".