212202102019930 has 32 divisors (see below), whose sum is σ = 420131464521408. Its totient is φ = 77164400729680.

The previous prime is 212202102019891. The next prime is 212202102019931. The reversal of 212202102019930 is 39910201202212.

It is a super-2 number, since 2×212202102019930² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212202102019931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7971515692 + ... + 7971542311.

It is an arithmetic number, because the mean of its divisors is an integer number (13129108266294).

Almost surely, 2^{212202102019930} is an apocalyptic number.

212202102019930 is a deficient number, since it is larger than the sum of its proper divisors (207929362501478).

212202102019930 is a wasteful number, since it uses less digits than its factorization.

212202102019930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943058043 (or 15943058021 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 212202102019930 in words is "two hundred twelve trillion, two hundred two billion, one hundred two million, nineteen thousand, nine hundred thirty".