213122102300 has 72 divisors (see below), whose sum is σ = 469937932464. Its totient is φ = 83876221440.

The previous prime is 213122102299. The next prime is 213122102309. The reversal of 213122102300 is 3201221312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122102309) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5723342 + ... + 5760458.

Almost surely, 2^213122102300 is an apocalyptic number.

213122102300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213122102300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234968966232).

213122102300 is an abundant number, since it is smaller than the sum of its proper divisors (256815830164).

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

213122102300 is a wasteful number, since it uses less digits than its factorization.

213122102300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38055 (or 38048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213122102300 its reverse (3201221312), we get a palindrome (216323323612).

The spelling of 213122102300 in words is "two hundred thirteen billion, one hundred twenty-two million, one hundred two thousand, three hundred".