12212032057 has 2 divisors, whose sum is σ = 12212032058. Its totient is φ = 12212032056.

The previous prime is 12212032039. The next prime is 12212032099. The reversal of 12212032057 is 75023021221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6844418361 + 5367613696 = 82731^2 + 73264^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212032057 - 2²³ = 12203643449 is a prime.

It is a super-2 number, since 2×12212032057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12212132057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106016028 + 6106016029.

It is an arithmetic number, because the mean of its divisors is an integer number (6106016029).

Almost surely, 2^12212032057 is an apocalyptic number.

It is an amenable number.

12212032057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212032057 is an equidigital number, since it uses as much as digits as its factorization.

12212032057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 12212032057 its reverse (75023021221), we get a palindrome (87235053278).

The spelling of 12212032057 in words is "twelve billion, two hundred twelve million, thirty-two thousand, fifty-seven".