8121325292 has 12 divisors (see below), whose sum is σ = 14213163720. Its totient is φ = 4060421376.

The previous prime is 8121325259. The next prime is 8121325301. The reversal of 8121325292 is 2925231218.

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, 30668 + ... + 131084.

It is an arithmetic number, because the mean of its divisors is an integer number (1184430310).

Almost surely, 2^8121325292 is an apocalyptic number.

It is an amenable number.

8121325292 is a deficient number, since it is larger than the sum of its proper divisors (6091838428).

8121325292 is a wasteful number, since it uses less digits than its factorization.

8121325292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120640 (or 120638 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 8121325292 is about 90118.3959688587. The cubic root of 8121325292 is about 2010.0597568103.

The spelling of 8121325292 in words is "eight billion, one hundred twenty-one million, three hundred twenty-five thousand, two hundred ninety-two".