103312303212 has 24 divisors (see below), whose sum is σ = 241582706176. Its totient is φ = 34363053648.

The previous prime is 103312303183. The next prime is 103312303223. The reversal of 103312303212 is 212303213301.

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, 9291808 + ... + 9302919.

Almost surely, 2^103312303212 is an apocalyptic number.

103312303212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103312303212 is an abundant number, since it is smaller than the sum of its proper divisors (138270402964).

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

103312303212 is a wasteful number, since it uses less digits than its factorization.

103312303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18595197 (or 18595195 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103312303212 its reverse (212303213301), we get a palindrome (315615516513).

The spelling of 103312303212 in words is "one hundred three billion, three hundred twelve million, three hundred three thousand, two hundred twelve".