120311602203 has 16 divisors (see below), whose sum is σ = 174340036640. Its totient is φ = 73358659584.

The previous prime is 120311602193. The next prime is 120311602211. The reversal of 120311602203 is 302206113021.

It is not a de Polignac number, because 120311602203 - 2⁵ = 120311602171 is a prime.

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 120311602203.

It is not an unprimeable number, because it can be changed into a prime (120311602223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14146726 + ... + 14155227.

It is an arithmetic number, because the mean of its divisors is an integer number (10896252290).

Almost surely, 2^120311602203 is an apocalyptic number.

120311602203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120311602203 is a deficient number, since it is larger than the sum of its proper divisors (54028434437).

120311602203 is a wasteful number, since it uses less digits than its factorization.

120311602203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28302078.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120311602203 its reverse (302206113021), we get a palindrome (422517715224).

The spelling of 120311602203 in words is "one hundred twenty billion, three hundred eleven million, six hundred two thousand, two hundred three".