120013112501 has 4 divisors (see below), whose sum is σ = 127072707372. Its totient is φ = 112953517632.

The previous prime is 120013112491. The next prime is 120013112503. The reversal of 120013112501 is 105211310021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86359576900 + 33653535601 = 293870^2 + 183449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120013112501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 7059594853 = 120013112501 / (1 + 2 + 0 + 0 + 1 + 3 + 1 + 1 + 2 + 5 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120013112501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013112503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529797410 + ... + 3529797443.

It is an arithmetic number, because the mean of its divisors is an integer number (31768176843).

Almost surely, 2^120013112501 is an apocalyptic number.

It is an amenable number.

120013112501 is a deficient number, since it is larger than the sum of its proper divisors (7059594871).

120013112501 is an equidigital number, since it uses as much as digits as its factorization.

120013112501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059594870.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 120013112501 its reverse (105211310021), we get a palindrome (225224422522).

The spelling of 120013112501 in words is "one hundred twenty billion, thirteen million, one hundred twelve thousand, five hundred one".