213122100300 has 36 divisors (see below), whose sum is σ = 616633277736. Its totient is φ = 56832560000.

The previous prime is 213122100277. The next prime is 213122100313. The reversal of 213122100300 is 3001221312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213122100300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355203201 + ... + 355203800.

Almost surely, 2^213122100300 is an apocalyptic number.

213122100300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213122100300 is an abundant number, since it is smaller than the sum of its proper divisors (403511177436).

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

213122100300 is a wasteful number, since it uses less digits than its factorization.

213122100300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710407018 (or 710407011 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213122100300 its reverse (3001221312), we get a palindrome (216123321612).

The spelling of 213122100300 in words is "two hundred thirteen billion, one hundred twenty-two million, one hundred thousand, three hundred".