1013539212720 has 80 divisors (see below), whose sum is σ = 3491079517920. Its totient is φ = 270277122816.

The previous prime is 1013539212701. The next prime is 1013539212731. The reversal of 1013539212720 is 272129353101.

It is a happy number.

1013539212720 is a `hidden beast` number, since 10 + 1 + 353 + 9 + 21 + 272 + 0 = 666.

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 (36).

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 15 ways as a sum of consecutive naturals, for example, 234613399 + ... + 234617718.

It is an arithmetic number, because the mean of its divisors is an integer number (43638493974).

Almost surely, 2^{1013539212720} is an apocalyptic number.

1013539212720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013539212720 is an abundant number, since it is smaller than the sum of its proper divisors (2477540305200).

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

1013539212720 is a wasteful number, since it uses less digits than its factorization.

1013539212720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469231139 (or 469231127 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 1013539212720 in words is "one trillion, thirteen billion, five hundred thirty-nine million, two hundred twelve thousand, seven hundred twenty".