8121292132 has 12 divisors (see below), whose sum is σ = 14960275120. Its totient is φ = 3846927816.

The previous prime is 8121292129. The next prime is 8121292147. The reversal of 8121292132 is 2312921218.

It is a junction number, because it is equal to n+sod(n) for n = 8121292094 and 8121292103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53429478 + ... + 53429629.

Almost surely, 2^8121292132 is an apocalyptic number.

It is an amenable number.

8121292132 is a deficient number, since it is larger than the sum of its proper divisors (6838982988).

8121292132 is a wasteful number, since it uses less digits than its factorization.

8121292132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106859130 (or 106859128 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 8121292132 is about 90118.2119884766. The cubic root of 8121292132 is about 2010.0570210633.

The spelling of 8121292132 in words is "eight billion, one hundred twenty-one million, two hundred ninety-two thousand, one hundred thirty-two".