212021002988 has 12 divisors (see below), whose sum is σ = 371367160920. Its totient is φ = 105916099872.

The previous prime is 212021002981. The next prime is 212021003011. The reversal of 212021002988 is 889200120212.

It is not an unprimeable number, because it can be changed into a prime (212021002981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23595353 + ... + 23604336.

It is an arithmetic number, because the mean of its divisors is an integer number (30947263410).

Almost surely, 2^212021002988 is an apocalyptic number.

It is an amenable number.

212021002988 is a deficient number, since it is larger than the sum of its proper divisors (159346157932).

212021002988 is a wasteful number, since it uses less digits than its factorization.

212021002988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47200816 (or 47200814 counting only the distinct ones).

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

The spelling of 212021002988 in words is "two hundred twelve billion, twenty-one million, two thousand, nine hundred eighty-eight".