13212867057 has 64 divisors (see below), whose sum is σ = 19787464704. Its totient is φ = 7790618880.

The previous prime is 13212867047. The next prime is 13212867079. The reversal of 13212867057 is 75076821231.

13212867057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13212867057 - 2⁸ = 13212866801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13212867047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33281583 + ... + 33281979.

It is an arithmetic number, because the mean of its divisors is an integer number (309179136).

Almost surely, 2^13212867057 is an apocalyptic number.

It is an amenable number.

13212867057 is a deficient number, since it is larger than the sum of its proper divisors (6574597647).

13212867057 is a wasteful number, since it uses less digits than its factorization.

13212867057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 13212867057 in words is "thirteen billion, two hundred twelve million, eight hundred sixty-seven thousand, fifty-seven".