212404315100 has 36 divisors (see below), whose sum is σ = 475785672768. Its totient is φ = 82221024000.

The previous prime is 212404315093. The next prime is 212404315103. The reversal of 212404315100 is 1513404212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212404315103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34255661 + ... + 34261860.

It is an arithmetic number, because the mean of its divisors is an integer number (13216268688).

Almost surely, 2^212404315100 is an apocalyptic number.

212404315100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212404315100 is an abundant number, since it is smaller than the sum of its proper divisors (263381357668).

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

212404315100 is a wasteful number, since it uses less digits than its factorization.

212404315100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68517566 (or 68517559 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 212404315100 its reverse (1513404212), we get a palindrome (213917719312).

The spelling of 212404315100 in words is "two hundred twelve billion, four hundred four million, three hundred fifteen thousand, one hundred".