120100120200120 has 64 divisors (see below), whose sum is σ = 360407625984000. Its totient is φ = 32017164019328.

The previous prime is 120100120200107. The next prime is 120100120200139. The reversal of 120100120200120 is 21002021001021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120100120200096 and 120100120200105.

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 15 ways as a sum of consecutive naturals, for example, 148574940 + ... + 149381099.

It is an arithmetic number, because the mean of its divisors is an integer number (5631369156000).

Almost surely, 2^{120100120200120} is an apocalyptic number.

120100120200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100120200120 is an abundant number, since it is smaller than the sum of its proper divisors (240307505783880).

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

120100120200120 is a wasteful number, since it uses less digits than its factorization.

120100120200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297959412 (or 297959408 counting only the distinct ones).

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

Adding to 120100120200120 its reverse (21002021001021), we get a palindrome (141102141201141).

The spelling of 120100120200120 in words is "one hundred twenty trillion, one hundred billion, one hundred twenty million, two hundred thousand, one hundred twenty".