12212000021057 has 2 divisors, whose sum is σ = 12212000021058. Its totient is φ = 12212000021056.

The previous prime is 12212000020967. The next prime is 12212000021063. The reversal of 12212000021057 is 75012000021221.

12212000021057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12041066560576 + 170933460481 = 3470024^2 + 413441^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212000021057 - 2²² = 12211995826753 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212000021257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106000010528 + 6106000010529.

It is an arithmetic number, because the mean of its divisors is an integer number (6106000010529).

Almost surely, 2^{12212000021057} is an apocalyptic number.

It is an amenable number.

12212000021057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212000021057 is an equidigital number, since it uses as much as digits as its factorization.

12212000021057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 12212000021057 its reverse (75012000021221), we get a palindrome (87224000042278).

The spelling of 12212000021057 in words is "twelve trillion, two hundred twelve billion, twenty-one thousand, fifty-seven".