212393115400 has 48 divisors (see below), whose sum is σ = 493942202640. Its totient is φ = 84935188800.

The previous prime is 212393115391. The next prime is 212393115527. The reversal of 212393115400 is 4511393212.

It is a super-2 number, since 2×212393115400² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645495 + ... + 917305.

It is an arithmetic number, because the mean of its divisors is an integer number (10290462555).

Almost surely, 2^212393115400 is an apocalyptic number.

212393115400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212393115400 is an abundant number, since it is smaller than the sum of its proper divisors (281549087240).

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

212393115400 is a wasteful number, since it uses less digits than its factorization.

212393115400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275734 (or 275725 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 212393115400 in words is "two hundred twelve billion, three hundred ninety-three million, one hundred fifteen thousand, four hundred".