210023312100 has 144 divisors (see below), whose sum is σ = 704842887168. Its totient is φ = 47288799360.

The previous prime is 210023312071. The next prime is 210023312101. The reversal of 210023312100 is 1213320012.

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 210023312100.

It is not an unprimeable number, because it can be changed into a prime (210023312101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 605652 + ... + 887051.

It is an arithmetic number, because the mean of its divisors is an integer number (4894742272).

Almost surely, 2^210023312100 is an apocalyptic number.

210023312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210023312100 is an abundant number, since it is smaller than the sum of its proper divisors (494819575068).

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

210023312100 is a wasteful number, since it uses less digits than its factorization.

210023312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492794 (or 1492787 counting only the distinct ones).

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

Adding to 210023312100 its reverse (1213320012), we get a palindrome (211236632112).

The spelling of 210023312100 in words is "two hundred ten billion, twenty-three million, three hundred twelve thousand, one hundred".