212202020012137 has 2 divisors, whose sum is σ = 212202020012138. Its totient is φ = 212202020012136.

The previous prime is 212202020012057. The next prime is 212202020012149. The reversal of 212202020012137 is 731210020202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205921237201936 + 6280782810201 = 14349956^2 + 2506149^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202020012137 - 2²³ = 212202011623529 is a prime.

It is not a weakly prime, because it can be changed into another prime (212202020012737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101010006068 + 106101010006069.

It is an arithmetic number, because the mean of its divisors is an integer number (106101010006069).

Almost surely, 2^{212202020012137} is an apocalyptic number.

It is an amenable number.

212202020012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202020012137 is an equidigital number, since it uses as much as digits as its factorization.

212202020012137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 212202020012137 its reverse (731210020202212), we get a palindrome (943412040214349).

The spelling of 212202020012137 in words is "two hundred twelve trillion, two hundred two billion, twenty million, twelve thousand, one hundred thirty-seven".