90212612864005 has 32 divisors (see below), whose sum is σ = 108983082676608. Its totient is φ = 71686438560000.

The previous prime is 90212612863963. The next prime is 90212612864041. The reversal of 90212612864005 is 50046821621209.

It is not a de Polignac number, because 90212612864005 - 2¹⁷ = 90212612732933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2780633314 + ... + 2780665756.

It is an arithmetic number, because the mean of its divisors is an integer number (3405721333644).

Almost surely, 2^{90212612864005} is an apocalyptic number.

It is an amenable number.

90212612864005 is a deficient number, since it is larger than the sum of its proper divisors (18770469812603).

90212612864005 is a wasteful number, since it uses less digits than its factorization.

90212612864005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38677.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 90212612864005 in words is "ninety trillion, two hundred twelve billion, six hundred twelve million, eight hundred sixty-four thousand, five".