1200251314320 has 80 divisors (see below), whose sum is σ = 3721023928512. Its totient is φ = 320045954560.

The previous prime is 1200251314277. The next prime is 1200251314369. The reversal of 1200251314320 is 234131520021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676474 + ... + 3989606.

Almost surely, 2^{1200251314320} is an apocalyptic number.

1200251314320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200251314320 is an abundant number, since it is smaller than the sum of its proper divisors (2520772614192).

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

1200251314320 is a wasteful number, since it uses less digits than its factorization.

1200251314320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329120 (or 329114 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1200251314320 its reverse (234131520021), we get a palindrome (1434382834341).

The spelling of 1200251314320 in words is "one trillion, two hundred billion, two hundred fifty-one million, three hundred fourteen thousand, three hundred twenty".