212461935924 has 144 divisors (see below), whose sum is σ = 583882810560. Its totient is φ = 59948582400.

The previous prime is 212461935911. The next prime is 212461935941. The reversal of 212461935924 is 429539164212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24285319 + ... + 24294065.

It is an arithmetic number, because the mean of its divisors is an integer number (4054741740).

Almost surely, 2^212461935924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212461935924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291941405280).

212461935924 is an abundant number, since it is smaller than the sum of its proper divisors (371420874636).

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

212461935924 is a wasteful number, since it uses less digits than its factorization.

212461935924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278 (or 9269 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 212461935924 in words is "two hundred twelve billion, four hundred sixty-one million, nine hundred thirty-five thousand, nine hundred twenty-four".