2120267898636 has 12 divisors (see below), whose sum is σ = 4947291763512. Its totient is φ = 706755966208.

The previous prime is 2120267898629. The next prime is 2120267898641. The reversal of 2120267898636 is 6368987620212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2120267898636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88344495765 + ... + 88344495788.

It is an arithmetic number, because the mean of its divisors is an integer number (412274313626).

Almost surely, 2^{2120267898636} is an apocalyptic number.

It is an amenable number.

2120267898636 is an abundant number, since it is smaller than the sum of its proper divisors (2827023864876).

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

2120267898636 is a wasteful number, since it uses less digits than its factorization.

2120267898636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176688991560 (or 176688991558 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 2120267898636 in words is "two trillion, one hundred twenty billion, two hundred sixty-seven million, eight hundred ninety-eight thousand, six hundred thirty-six".