1200402301320 has 96 divisors (see below), whose sum is σ = 3901455979200. Its totient is φ = 320095095936.

The previous prime is 1200402301297. The next prime is 1200402301333. The reversal of 1200402301320 is 231032040021.

1200402301320 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 40 + 2 + 301 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200402301293 and 1200402301302.

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 23 ways as a sum of consecutive naturals, for example, 13325149 + ... + 13414931.

It is an arithmetic number, because the mean of its divisors is an integer number (40640166450).

Almost surely, 2^{1200402301320} is an apocalyptic number.

1200402301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200402301320 is an abundant number, since it is smaller than the sum of its proper divisors (2701053677880).

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

1200402301320 is a wasteful number, since it uses less digits than its factorization.

1200402301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126939 (or 126932 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1200402301320 its reverse (231032040021), we get a palindrome (1431434341341).

The spelling of 1200402301320 in words is "one trillion, two hundred billion, four hundred two million, three hundred one thousand, three hundred twenty".