212650672074991 has 2 divisors, whose sum is σ = 212650672074992. Its totient is φ = 212650672074990.

The previous prime is 212650672074977. The next prime is 212650672075069. The reversal of 212650672074991 is 199470276056212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212650672074991 - 2¹⁵ = 212650672042223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212650672074941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106325336037495 + 106325336037496.

It is an arithmetic number, because the mean of its divisors is an integer number (106325336037496).

Almost surely, 2^{212650672074991} is an apocalyptic number.

212650672074991 is a deficient number, since it is larger than the sum of its proper divisors (1).

212650672074991 is an equidigital number, since it uses as much as digits as its factorization.

212650672074991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 212650672074991 in words is "two hundred twelve trillion, six hundred fifty billion, six hundred seventy-two million, seventy-four thousand, nine hundred ninety-one".