212013195937 has 2 divisors, whose sum is σ = 212013195938. Its totient is φ = 212013195936.

The previous prime is 212013195917. The next prime is 212013195991. The reversal of 212013195937 is 739591310212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133909156096 + 78104039841 = 365936^2 + 279471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212013195937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212013195893 and 212013195902.

It is not a weakly prime, because it can be changed into another prime (212013195917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006597968 + 106006597969.

It is an arithmetic number, because the mean of its divisors is an integer number (106006597969).

Almost surely, 2^212013195937 is an apocalyptic number.

It is an amenable number.

212013195937 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013195937 is an equidigital number, since it uses as much as digits as its factorization.

212013195937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 212013195937 in words is "two hundred twelve billion, thirteen million, one hundred ninety-five thousand, nine hundred thirty-seven".