212185572088 has 128 divisors (see below), whose sum is σ = 479036390400. Its totient is φ = 86146384896.

The previous prime is 212185572077. The next prime is 212185572113. The reversal of 212185572088 is 880275581212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65710858 + ... + 65714086.

It is an arithmetic number, because the mean of its divisors is an integer number (3742471800).

Almost surely, 2^212185572088 is an apocalyptic number.

212185572088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212185572088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239518195200).

212185572088 is an abundant number, since it is smaller than the sum of its proper divisors (266850818312).

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

212185572088 is a wasteful number, since it uses less digits than its factorization.

212185572088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 49.

The spelling of 212185572088 in words is "two hundred twelve billion, one hundred eighty-five million, five hundred seventy-two thousand, eighty-eight".