12210521354 has 64 divisors (see below), whose sum is σ = 20351907072. Its totient is φ = 5470617600.

The previous prime is 12210521347. The next prime is 12210521363. The reversal of 12210521354 is 45312501221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10589642 + ... + 10590794.

It is an arithmetic number, because the mean of its divisors is an integer number (317998548).

Almost surely, 2^12210521354 is an apocalyptic number.

12210521354 is a deficient number, since it is larger than the sum of its proper divisors (8141385718).

12210521354 is a wasteful number, since it uses less digits than its factorization.

12210521354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12210521354 in words is "twelve billion, two hundred ten million, five hundred twenty-one thousand, three hundred fifty-four".