213033012100 has 36 divisors (see below), whose sum is σ = 464123450448. Its totient is φ = 84873700000.

The previous prime is 213033012037. The next prime is 213033012131. The reversal of 213033012100 is 1210330312.

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, 4218586 + ... + 4268785.

It is an arithmetic number, because the mean of its divisors is an integer number (12892318068).

Almost surely, 2^213033012100 is an apocalyptic number.

213033012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213033012100 is an abundant number, since it is smaller than the sum of its proper divisors (251090438348).

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

213033012100 is a wasteful number, since it uses less digits than its factorization.

213033012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487636 (or 8487629 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213033012100 its reverse (1210330312), we get a palindrome (214243342412).

The spelling of 213033012100 in words is "two hundred thirteen billion, thirty-three million, twelve thousand, one hundred".