102001120120000 has 70 divisors (see below), whose sum is σ = 252929627632748. Its totient is φ = 40800448032000.

The previous prime is 102001120119971. The next prime is 102001120120057. The reversal of 102001120120000 is 21021100201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1274974002 + ... + 1275054001.

Almost surely, 2^{102001120120000} is an apocalyptic number.

102001120120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001120120000 is an abundant number, since it is smaller than the sum of its proper divisors (150928507512748).

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

102001120120000 is an frugal number, since it uses more digits than its factorization.

102001120120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550028035 (or 2550028010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102001120120000 its reverse (21021100201), we get a palindrome (102022141220201).

The spelling of 102001120120000 in words is "one hundred two trillion, one billion, one hundred twenty million, one hundred twenty thousand".