213302121300 has 54 divisors (see below), whose sum is σ = 668583651918. Its totient is φ = 56880565440.

The previous prime is 213302121281. The next prime is 213302121313. The reversal of 213302121300 is 3121203312.

213302121300 is a `hidden beast` number, since 21 + 330 + 2 + 12 + 1 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6819126084 + 206482995216 = 82578^2 + 454404^2 .

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

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118500279 + ... + 118502078.

Almost surely, 2^213302121300 is an apocalyptic number.

213302121300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213302121300 is an abundant number, since it is smaller than the sum of its proper divisors (455281530618).

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

213302121300 is a wasteful number, since it uses less digits than its factorization.

213302121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237002377 (or 237002367 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213302121300 its reverse (3121203312), we get a palindrome (216423324612).

The spelling of 213302121300 in words is "two hundred thirteen billion, three hundred two million, one hundred twenty-one thousand, three hundred".