212932636188 has 48 divisors (see below), whose sum is σ = 531856752000. Its totient is φ = 66102187968.

The previous prime is 212932636183. The next prime is 212932636229. The reversal of 212932636188 is 881636239212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212932636188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212932636183) 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, 7901083 + ... + 7927986.

It is an arithmetic number, because the mean of its divisors is an integer number (11080349000).

Almost surely, 2^212932636188 is an apocalyptic number.

It is an amenable number.

212932636188 is an abundant number, since it is smaller than the sum of its proper divisors (318924115812).

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

212932636188 is a wasteful number, since it uses less digits than its factorization.

212932636188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829154 (or 15829152 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The spelling of 212932636188 in words is "two hundred twelve billion, nine hundred thirty-two million, six hundred thirty-six thousand, one hundred eighty-eight".