212840088 has 16 divisors (see below), whose sum is σ = 532100280. Its totient is φ = 70946688.

The previous prime is 212840083. The next prime is 212840107. The reversal of 212840088 is 880048212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212840083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4434145 + ... + 4434192.

Almost surely, 2^212840088 is an apocalyptic number.

It is an amenable number.

212840088 is an abundant number, since it is smaller than the sum of its proper divisors (319260192).

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

212840088 is a wasteful number, since it uses less digits than its factorization.

212840088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8868346 (or 8868342 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 212840088 is about 14589.0399958325. The cubic root of 212840088 is about 597.0597708451.

The spelling of 212840088 in words is "two hundred twelve million, eight hundred forty thousand, eighty-eight".