12121002996 has 24 divisors (see below), whose sum is σ = 28331887584. Its totient is φ = 4033256160.

The previous prime is 12121002977. The next prime is 12121002997. The reversal of 12121002996 is 69920012121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121002997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877635 + ... + 891338.

It is an arithmetic number, because the mean of its divisors is an integer number (1180495316).

Almost surely, 2^12121002996 is an apocalyptic number.

It is an amenable number.

12121002996 is an abundant number, since it is smaller than the sum of its proper divisors (16210884588).

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

12121002996 is a wasteful number, since it uses less digits than its factorization.

12121002996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769551 (or 1769549 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 12121002996 in words is "twelve billion, one hundred twenty-one million, two thousand, nine hundred ninety-six".