120102121200 has 60 divisors (see below), whose sum is σ = 384727132088. Its totient is φ = 32027232000.

The previous prime is 120102121177. The next prime is 120102121231. The reversal of 120102121200 is 2121201021.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50041351 + ... + 50043750.

Almost surely, 2^120102121200 is an apocalyptic number.

120102121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102121200 is an abundant number, since it is smaller than the sum of its proper divisors (264625010888).

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

120102121200 is a wasteful number, since it uses less digits than its factorization.

120102121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100085122 (or 100085111 counting only the distinct ones).

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

Adding to 120102121200 its reverse (2121201021), we get a palindrome (122223322221).

It can be divided in two parts, 1201021 and 21200, that added together give a palindrome (1222221).

The spelling of 120102121200 in words is "one hundred twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred".