120100012101200 has 60 divisors (see below), whose sum is σ = 288710712053148. Its totient is φ = 48011628902400.

The previous prime is 120100012101187. The next prime is 120100012101229. The reversal of 120100012101200 is 2101210001021.

It can be written as a sum of positive squares in 6 ways, for example, as 25221970533904 + 94878041567296 = 5022148^2 + 9740536^2 .

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, 87996761 + ... + 89351160.

Almost surely, 2^{120100012101200} is an apocalyptic number.

120100012101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100012101200 is an abundant number, since it is smaller than the sum of its proper divisors (168610699951948).

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

120100012101200 is a wasteful number, since it uses less digits than its factorization.

120100012101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177349632 (or 177349621 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120100012101200 its reverse (2101210001021), we get a palindrome (122201222102221).

The spelling of 120100012101200 in words is "one hundred twenty trillion, one hundred billion, twelve million, one hundred one thousand, two hundred".