212210109999 has 24 divisors (see below), whose sum is σ = 325327655952. Its totient is φ = 132835127040.

The previous prime is 212210109973. The next prime is 212210110061. The reversal of 212210109999 is 999901012212.

It is not a de Polignac number, because 212210109999 - 2²⁴ = 212193332783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210109929) 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, 1582849 + ... + 1711674.

It is an arithmetic number, because the mean of its divisors is an integer number (13555318998).

Almost surely, 2^212210109999 is an apocalyptic number.

212210109999 is a deficient number, since it is larger than the sum of its proper divisors (113117545953).

212210109999 is a wasteful number, since it uses less digits than its factorization.

212210109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294967 (or 3294964 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 212210109999 in words is "two hundred twelve billion, two hundred ten million, one hundred nine thousand, nine hundred ninety-nine".