12021202988 has 6 divisors (see below), whose sum is σ = 21037105236. Its totient is φ = 6010601492.

The previous prime is 12021202943. The next prime is 12021202997. The reversal of 12021202988 is 88920212021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502650370 + ... + 1502650377.

It is an arithmetic number, because the mean of its divisors is an integer number (3506184206).

Almost surely, 2^12021202988 is an apocalyptic number.

It is an amenable number.

12021202988 is a deficient number, since it is larger than the sum of its proper divisors (9015902248).

12021202988 is a wasteful number, since it uses less digits than its factorization.

12021202988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005300751 (or 3005300749 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 12021202988 in words is "twelve billion, twenty-one million, two hundred two thousand, nine hundred eighty-eight".