1200120929200 has 30 divisors (see below), whose sum is σ = 2883290533364. Its totient is φ = 480048371520.

The previous prime is 1200120929179. The next prime is 1200120929219. The reversal of 1200120929200 is 29290210021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500150762 + ... + 1500151561.

Almost surely, 2^{1200120929200} is an apocalyptic number.

1200120929200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200120929200 is an abundant number, since it is smaller than the sum of its proper divisors (1683169604164).

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

1200120929200 is a wasteful number, since it uses less digits than its factorization.

1200120929200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000302341 (or 3000302330 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1200120929200 in words is "one trillion, two hundred billion, one hundred twenty million, nine hundred twenty-nine thousand, two hundred".