89201912121392 has 80 divisors (see below), whose sum is σ = 198324068947200. Its totient is φ = 38073743172864.

The previous prime is 89201912121391. The next prime is 89201912121397. The reversal of 89201912121392 is 29312121910298.

It is a super-3 number, since 3×89201912121392³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 89201912121392.

It is not an unprimeable number, because it can be changed into a prime (89201912121391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30946043 + ... + 33705509.

It is an arithmetic number, because the mean of its divisors is an integer number (2479050861840).

Almost surely, 2^{89201912121392} is an apocalyptic number.

It is an amenable number.

89201912121392 is an abundant number, since it is smaller than the sum of its proper divisors (109122156825808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89201912121392 is a wasteful number, since it uses less digits than its factorization.

89201912121392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760658 (or 2760652 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 89201912121392 in words is "eighty-nine trillion, two hundred one billion, nine hundred twelve million, one hundred twenty-one thousand, three hundred ninety-two".