2120121296 has 20 divisors (see below), whose sum is σ = 4110918432. Its totient is φ = 1059239136.

The previous prime is 2120121293. The next prime is 2120121313. The reversal of 2120121296 is 6921210212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120121293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29780 + ... + 71603.

Almost surely, 2^2120121296 is an apocalyptic number.

It is an amenable number.

2120121296 is a deficient number, since it is larger than the sum of its proper divisors (1990797136).

2120121296 is a wasteful number, since it uses less digits than its factorization.

2120121296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102698 (or 102692 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2120121296 is about 46044.7749044341. The cubic root of 2120121296 is about 1284.6561573524.

The spelling of 2120121296 in words is "two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred ninety-six".