2121201292 has 12 divisors (see below), whose sum is σ = 4242402640. Its totient is φ = 909086256.

The previous prime is 2121201239. The next prime is 2121201301. The reversal of 2121201292 is 2921021212.

2121201292 is an admirable number.

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, 37878567 + ... + 37878622.

Almost surely, 2^2121201292 is an apocalyptic number.

It is an amenable number.

2121201292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2121201292 is a wasteful number, since it uses less digits than its factorization.

2121201292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75757200 (or 75757198 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2121201292 is about 46056.5010829090. The cubic root of 2121201292 is about 1284.8742561934.

The spelling of 2121201292 in words is "two billion, one hundred twenty-one million, two hundred one thousand, two hundred ninety-two".