120002100000030 has 24 divisors (see below), whose sum is σ = 312005460000312. Its totient is φ = 32000559999984.

The previous prime is 120002100000023. The next prime is 120002100000053. The reversal of 120002100000030 is 30000001200021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120002099999958 and 120002100000021.

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, 666678333244 + ... + 666678333423.

It is an arithmetic number, because the mean of its divisors is an integer number (13000227500013).

Almost surely, 2^{120002100000030} is an apocalyptic number.

120002100000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120002100000030 is an abundant number, since it is smaller than the sum of its proper divisors (192003360000282).

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

120002100000030 is a wasteful number, since it uses less digits than its factorization.

120002100000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333356666680 (or 1333356666677 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 120002100000030 its reverse (30000001200021), we get a palindrome (150002101200051).

The spelling of 120002100000030 in words is "one hundred twenty trillion, two billion, one hundred million, thirty", and thus it is an aban number.