12210622057 has 4 divisors (see below), whose sum is σ = 12631678020. Its totient is φ = 11789566096.

The previous prime is 12210622033. The next prime is 12210622069. The reversal of 12210622057 is 75022601221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7534934416 + 4675687641 = 86804^2 + 68379^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210622057 - 2¹⁹ = 12210097769 is a prime.

It is a super-2 number, since 2×12210622057² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210622027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210527938 + ... + 210527995.

It is an arithmetic number, because the mean of its divisors is an integer number (3157919505).

Almost surely, 2^12210622057 is an apocalyptic number.

It is an amenable number.

12210622057 is a deficient number, since it is larger than the sum of its proper divisors (421055963).

12210622057 is an equidigital number, since it uses as much as digits as its factorization.

12210622057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421055962.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 12210622057 in words is "twelve billion, two hundred ten million, six hundred twenty-two thousand, fifty-seven".