212234222988 has 18 divisors (see below), whose sum is σ = 536480952644. Its totient is φ = 70744740984.

The previous prime is 212234222927. The next prime is 212234222989. The reversal of 212234222988 is 889222432212.

212234222988 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 342 + 229 + 88 = 666.

212234222988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (212234222989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2947697506 + ... + 2947697577.

Almost surely, 2^212234222988 is an apocalyptic number.

It is an amenable number.

212234222988 is an abundant number, since it is smaller than the sum of its proper divisors (324246729656).

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

212234222988 is a wasteful number, since it uses less digits than its factorization.

212234222988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895395093 (or 5895395088 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 212234222988 in words is "two hundred twelve billion, two hundred thirty-four million, two hundred twenty-two thousand, nine hundred eighty-eight".