120012013203 has 4 divisors (see below), whose sum is σ = 160016017608. Its totient is φ = 80008008800.

The previous prime is 120012013201. The next prime is 120012013211. The reversal of 120012013203 is 302310210021.

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

It is a cyclic number.

It is not a de Polignac number, because 120012013203 - 2¹ = 120012013201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120012013201) 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, 20002002198 + ... + 20002002203.

It is an arithmetic number, because the mean of its divisors is an integer number (40004004402).

Almost surely, 2^120012013203 is an apocalyptic number.

120012013203 is a deficient number, since it is larger than the sum of its proper divisors (40004004405).

120012013203 is an equidigital number, since it uses as much as digits as its factorization.

120012013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004004404.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120012013203 its reverse (302310210021), we get a palindrome (422322223224).

The spelling of 120012013203 in words is "one hundred twenty billion, twelve million, thirteen thousand, two hundred three".