213121332300 has 36 divisors (see below), whose sum is σ = 616631055656. Its totient is φ = 56832355200.

The previous prime is 213121332287. The next prime is 213121332349. The reversal of 213121332300 is 3233121312.

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, 355201921 + ... + 355202520.

Almost surely, 2^213121332300 is an apocalyptic number.

213121332300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213121332300 is an abundant number, since it is smaller than the sum of its proper divisors (403509723356).

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

213121332300 is a wasteful number, since it uses less digits than its factorization.

213121332300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710404458 (or 710404451 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213121332300 its reverse (3233121312), we get a palindrome (216354453612).

The spelling of 213121332300 in words is "two hundred thirteen billion, one hundred twenty-one million, three hundred thirty-two thousand, three hundred".