901021211132412 has 48 divisors (see below), whose sum is σ = 2103811621309440. Its totient is φ = 300136312302528.

The previous prime is 901021211132389. The next prime is 901021211132443. The reversal of 901021211132412 is 214231112120109.

It is a self number, because there is not a number n which added to its sum of digits gives 901021211132412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325330993 + ... + 328088855.

It is an arithmetic number, because the mean of its divisors is an integer number (43829408777280).

Almost surely, 2^{901021211132412} is an apocalyptic number.

It is an amenable number.

901021211132412 is an abundant number, since it is smaller than the sum of its proper divisors (1202790410177028).

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

901021211132412 is a wasteful number, since it uses less digits than its factorization.

901021211132412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776362 (or 2776360 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 901021211132412 in words is "nine hundred one trillion, twenty-one billion, two hundred eleven million, one hundred thirty-two thousand, four hundred twelve".