102120200101200 has 60 divisors (see below), whose sum is σ = 327125040994688. Its totient is φ = 27232053360000.

The previous prime is 102120200101189. The next prime is 102120200101279. The reversal of 102120200101200 is 2101002021201.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent 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, 42550082176 + ... + 42550084575.

Almost surely, 2^{102120200101200} is an apocalyptic number.

102120200101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120200101200 is an abundant number, since it is smaller than the sum of its proper divisors (225004840893488).

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

102120200101200 is a wasteful number, since it uses less digits than its factorization.

102120200101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85100166772 (or 85100166761 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102120200101200 its reverse (2101002021201), we get a palindrome (104221202122401).

The spelling of 102120200101200 in words is "one hundred two trillion, one hundred twenty billion, two hundred million, one hundred one thousand, two hundred".