1200013082520 has 128 divisors (see below), whose sum is σ = 4114643443200. Its totient is φ = 274267846656.

The previous prime is 1200013082351. The next prime is 1200013082531. The reversal of 1200013082520 is 252803100021.

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

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 31 ways as a sum of consecutive naturals, for example, 12811216 + ... + 12904544.

It is an arithmetic number, because the mean of its divisors is an integer number (32145651900).

Almost surely, 2^{1200013082520} is an apocalyptic number.

1200013082520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200013082520 is an abundant number, since it is smaller than the sum of its proper divisors (2914630360680).

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

1200013082520 is a wasteful number, since it uses less digits than its factorization.

1200013082520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108657 (or 108653 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1200013082520 its reverse (252803100021), we get a palindrome (1452816182541).

The spelling of 1200013082520 in words is "one trillion, two hundred billion, thirteen million, eighty-two thousand, five hundred twenty".