212110020999 has 24 divisors (see below), whose sum is σ = 311598142752. Its totient is φ = 139001728320.

The previous prime is 212110020979. The next prime is 212110021009. The reversal of 212110020999 is 999020011212.

It is not a de Polignac number, because 212110020999 - 2¹² = 212110016903 is a prime.

It is a super-2 number, since 2×212110020999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110020979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 765774 + ... + 1005300.

It is an arithmetic number, because the mean of its divisors is an integer number (12983255948).

Almost surely, 2^212110020999 is an apocalyptic number.

212110020999 is a deficient number, since it is larger than the sum of its proper divisors (99488121753).

212110020999 is a wasteful number, since it uses less digits than its factorization.

212110020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241207 (or 241204 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 212110020999 in words is "two hundred twelve billion, one hundred ten million, twenty thousand, nine hundred ninety-nine".