102012121210200 has 96 divisors (see below), whose sum is σ = 317355023544000. Its totient is φ = 27107107781760.

The previous prime is 102012121210199. The next prime is 102012121210249. The reversal of 102012121210200 is 2012121210201.

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 102012121210200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300219250 + ... + 300558849.

It is an arithmetic number, because the mean of its divisors is an integer number (3305781495250).

Almost surely, 2^{102012121210200} is an apocalyptic number.

102012121210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012121210200 is an abundant number, since it is smaller than the sum of its proper divisors (215342902333800).

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

102012121210200 is a wasteful number, since it uses less digits than its factorization.

102012121210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600778401 (or 600778392 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102012121210200 its reverse (2012121210201), we get a palindrome (104024242420401).

Subtracting from 102012121210200 its reverse (2012121210201), we obtain a palindrome (99999999999999).

The spelling of 102012121210200 in words is "one hundred two trillion, twelve billion, one hundred twenty-one million, two hundred ten thousand, two hundred".