212344794740 has 48 divisors (see below), whose sum is σ = 501105322368. Its totient is φ = 74995350144.

The previous prime is 212344794731. The next prime is 212344794773. The reversal of 212344794740 is 47497443212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17748602 + ... + 17760561.

It is an arithmetic number, because the mean of its divisors is an integer number (10439694216).

Almost surely, 2^212344794740 is an apocalyptic number.

212344794740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212344794740 is an abundant number, since it is smaller than the sum of its proper divisors (288760527628).

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

212344794740 is a wasteful number, since it uses less digits than its factorization.

212344794740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35509208 (or 35509206 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 212344794740 in words is "two hundred twelve billion, three hundred forty-four million, seven hundred ninety-four thousand, seven hundred forty".