90212612864051 has 2 divisors, whose sum is σ = 90212612864052. Its totient is φ = 90212612864050.

The previous prime is 90212612864041. The next prime is 90212612864083. The reversal of 90212612864051 is 15046821621209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90212612864051 - 2¹⁸ = 90212612601907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90212612863987 and 90212612864005.

It is not a weakly prime, because it can be changed into another prime (90212612864041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45106306432025 + 45106306432026.

It is an arithmetic number, because the mean of its divisors is an integer number (45106306432026).

Almost surely, 2^{90212612864051} is an apocalyptic number.

90212612864051 is a deficient number, since it is larger than the sum of its proper divisors (1).

90212612864051 is an equidigital number, since it uses as much as digits as its factorization.

90212612864051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 90212612864051 in words is "ninety trillion, two hundred twelve billion, six hundred twelve million, eight hundred sixty-four thousand, fifty-one".