212310300122100 has 108 divisors (see below), whose sum is σ = 666205331588160. Its totient is φ = 56553932635200.

The previous prime is 212310300122077. The next prime is 212310300122131. The reversal of 212310300122100 is 1221003013212.

212310300122100 is a `hidden beast` number, since 2 + 1 + 231 + 0 + 300 + 122 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 128653390 + ... + 130293189.

Almost surely, 2^{212310300122100} is an apocalyptic number.

212310300122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212310300122100 is an abundant number, since it is smaller than the sum of its proper divisors (453895031466060).

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

212310300122100 is a wasteful number, since it uses less digits than its factorization.

212310300122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258947510 (or 258947500 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212310300122100 its reverse (1221003013212), we get a palindrome (213531303135312).

The spelling of 212310300122100 in words is "two hundred twelve trillion, three hundred ten billion, three hundred million, one hundred twenty-two thousand, one hundred".