212400444545916 has 96 divisors (see below), whose sum is σ = 559307310508800. Its totient is φ = 62143404664320.

The previous prime is 212400444545897. The next prime is 212400444545921. The reversal of 212400444545916 is 619545444004212.

It is a super-2 number, since 2×212400444545916² (a number of 29 digits) contains 22 as substring.

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, 281643675 + ... + 282396813.

It is an arithmetic number, because the mean of its divisors is an integer number (5826117817800).

Almost surely, 2^{212400444545916} is an apocalyptic number.

It is an amenable number.

212400444545916 is an abundant number, since it is smaller than the sum of its proper divisors (346906865962884).

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

212400444545916 is a wasteful number, since it uses less digits than its factorization.

212400444545916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826859 (or 826857 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 212400444545916 in words is "two hundred twelve trillion, four hundred billion, four hundred forty-four million, five hundred forty-five thousand, nine hundred sixteen".