212132211937 has 2 divisors, whose sum is σ = 212132211938. Its totient is φ = 212132211936.

The previous prime is 212132211931. The next prime is 212132211979. The reversal of 212132211937 is 739112231212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106405787601 + 105726424336 = 326199^2 + 325156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212132211937 is a prime.

It is not a weakly prime, because it can be changed into another prime (212132211931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066105968 + 106066105969.

It is an arithmetic number, because the mean of its divisors is an integer number (106066105969).

Almost surely, 2^212132211937 is an apocalyptic number.

It is an amenable number.

212132211937 is a deficient number, since it is larger than the sum of its proper divisors (1).

212132211937 is an equidigital number, since it uses as much as digits as its factorization.

212132211937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The spelling of 212132211937 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred eleven thousand, nine hundred thirty-seven".