212202223110972 has 18 divisors (see below), whose sum is σ = 536400063975048. Its totient is φ = 70734074370312.

The previous prime is 212202223110841. The next prime is 212202223110973. The reversal of 212202223110972 is 279011322202212.

212202223110972 is a `hidden beast` number, since 2 + 12 + 20 + 222 + 311 + 0 + 97 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5894506197527 = 212202223110972 / (2 + 1 + 2 + 2 + 0 + 2 + 2 + 2 + 3 + 1 + 1 + 0 + 9 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202223110973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2947253098728 + ... + 2947253098799.

Almost surely, 2^{212202223110972} is an apocalyptic number.

It is an amenable number.

212202223110972 is an abundant number, since it is smaller than the sum of its proper divisors (324197840864076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212202223110972 is a wasteful number, since it uses less digits than its factorization.

212202223110972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894506197537 (or 5894506197532 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 212202223110972 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-three million, one hundred ten thousand, nine hundred seventy-two".