1203110012120 has 16 divisors (see below), whose sum is σ = 2706997527360. Its totient is φ = 481244004832.

The previous prime is 1203110012119. The next prime is 1203110012123. The reversal of 1203110012120 is 212100113021.

It is a junction number, because it is equal to n+sod(n) for n = 1203110012095 and 1203110012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203110012123) 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, 15038875112 + ... + 15038875191.

It is an arithmetic number, because the mean of its divisors is an integer number (169187345460).

Almost surely, 2^{1203110012120} is an apocalyptic number.

1203110012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203110012120 is an abundant number, since it is smaller than the sum of its proper divisors (1503887515240).

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

1203110012120 is a wasteful number, since it uses less digits than its factorization.

1203110012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30077750314 (or 30077750310 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1203110012120 its reverse (212100113021), we get a palindrome (1415210125141).

The spelling of 1203110012120 in words is "one trillion, two hundred three billion, one hundred ten million, twelve thousand, one hundred twenty".