13112121202312 has 16 divisors (see below), whose sum is σ = 26820247914000. Its totient is φ = 5960055091920.

The previous prime is 13112121202277. The next prime is 13112121202333. The reversal of 13112121202312 is 21320212121131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 74500688562 + ... + 74500688737.

It is an arithmetic number, because the mean of its divisors is an integer number (1676265494625).

Almost surely, 2^{13112121202312} is an apocalyptic number.

It is an amenable number.

13112121202312 is an abundant number, since it is smaller than the sum of its proper divisors (13708126711688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13112121202312 is a wasteful number, since it uses less digits than its factorization.

13112121202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149001377316 (or 149001377312 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13112121202312 its reverse (21320212121131), we get a palindrome (34432333323443).

The spelling of 13112121202312 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-one million, two hundred two thousand, three hundred twelve".