103203111012 has 24 divisors (see below), whose sum is σ = 254972392416. Its totient is φ = 32377446528.

The previous prime is 103203110999. The next prime is 103203111041. The reversal of 103203111012 is 210111302301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103203110982 and 103203111000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252948598 + ... + 252949005.

It is an arithmetic number, because the mean of its divisors is an integer number (10623849684).

Almost surely, 2^103203111012 is an apocalyptic number.

103203111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103203111012 is an abundant number, since it is smaller than the sum of its proper divisors (151769281404).

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

103203111012 is a wasteful number, since it uses less digits than its factorization.

103203111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505897627 (or 505897625 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103203111012 its reverse (210111302301), we get a palindrome (313314413313).

The spelling of 103203111012 in words is "one hundred three billion, two hundred three million, one hundred eleven thousand, twelve".