102120120200 has 48 divisors (see below), whose sum is σ = 271347751680. Its totient is φ = 35012612160.

The previous prime is 102120120163. The next prime is 102120120251. The reversal of 102120120200 is 2021021201.

It is a happy number.

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, 36470072 + ... + 36472871.

It is an arithmetic number, because the mean of its divisors is an integer number (5653078160).

Almost surely, 2^102120120200 is an apocalyptic number.

102120120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120120200 is an abundant number, since it is smaller than the sum of its proper divisors (169227631480).

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

102120120200 is a wasteful number, since it uses less digits than its factorization.

102120120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72942966 (or 72942957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102120120200 its reverse (2021021201), we get a palindrome (104141141401).

It can be divided in two parts, 1021201 and 20200, that added together give a palindrome (1041401).

The spelling of 102120120200 in words is "one hundred two billion, one hundred twenty million, one hundred twenty thousand, two hundred".