120012012131203 has 4 divisors (see below), whose sum is σ = 120817461877200. Its totient is φ = 119206562385208.

The previous prime is 120012012131189. The next prime is 120012012131251. The reversal of 120012012131203 is 302131210210021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012012131203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012012131503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 402724872775 + ... + 402724873072.

It is an arithmetic number, because the mean of its divisors is an integer number (30204365469300).

Almost surely, 2^{120012012131203} is an apocalyptic number.

120012012131203 is a deficient number, since it is larger than the sum of its proper divisors (805449745997).

120012012131203 is an equidigital number, since it uses as much as digits as its factorization.

120012012131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805449745996.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120012012131203 its reverse (302131210210021), we get a palindrome (422143222341224).

The spelling of 120012012131203 in words is "one hundred twenty trillion, twelve billion, twelve million, one hundred thirty-one thousand, two hundred three".