90212612863982 has 48 divisors (see below), whose sum is σ = 158548174202880. Its totient is φ = 38383453653552.

The previous prime is 90212612863963. The next prime is 90212612864041. The reversal of 90212612863982 is 28936821621209.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1016470133 + ... + 1016558879.

It is an arithmetic number, because the mean of its divisors is an integer number (3303086962560).

Almost surely, 2^{90212612863982} is an apocalyptic number.

90212612863982 is a deficient number, since it is larger than the sum of its proper divisors (68335561338898).

90212612863982 is a wasteful number, since it uses less digits than its factorization.

90212612863982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163525 (or 163518 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 90212612863982 in words is "ninety trillion, two hundred twelve billion, six hundred twelve million, eight hundred sixty-three thousand, nine hundred eighty-two".