13212257374 has 4 divisors (see below), whose sum is σ = 19818386064. Its totient is φ = 6606128686.

The previous prime is 13212257341. The next prime is 13212257389. The reversal of 13212257374 is 47375221231.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303064342 + ... + 3303064345.

It is an arithmetic number, because the mean of its divisors is an integer number (4954596516).

Almost surely, 2^13212257374 is an apocalyptic number.

13212257374 is a deficient number, since it is larger than the sum of its proper divisors (6606128690).

13212257374 is an equidigital number, since it uses as much as digits as its factorization.

13212257374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606128689.

The product of its digits is 70560, while the sum is 37.

The spelling of 13212257374 in words is "thirteen billion, two hundred twelve million, two hundred fifty-seven thousand, three hundred seventy-four".