13311211240412 has 12 divisors (see below), whose sum is σ = 23295589276680. Its totient is φ = 6655328589936.

The previous prime is 13311211240381. The next prime is 13311211240433. The reversal of 13311211240412 is 21404211211331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69149438 + ... + 69341669.

It is an arithmetic number, because the mean of its divisors is an integer number (1941299106390).

Almost surely, 2^{13311211240412} is an apocalyptic number.

It is an amenable number.

13311211240412 is a deficient number, since it is larger than the sum of its proper divisors (9984378036268).

13311211240412 is a wasteful number, since it uses less digits than its factorization.

13311211240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138515140 (or 138515138 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 13311211240412 its reverse (21404211211331), we get a palindrome (34715422451743).

The spelling of 13311211240412 in words is "thirteen trillion, three hundred eleven billion, two hundred eleven million, two hundred forty thousand, four hundred twelve".