103212112012 has 24 divisors (see below), whose sum is σ = 180972928976. Its totient is φ = 51505616448.

The previous prime is 103212111997. The next prime is 103212112021. The reversal of 103212112012 is 210211212301.

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, 12812578 + ... + 12820630.

Almost surely, 2^103212112012 is an apocalyptic number.

It is an amenable number.

103212112012 is a deficient number, since it is larger than the sum of its proper divisors (77760816964).

103212112012 is a wasteful number, since it uses less digits than its factorization.

103212112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897 (or 13895 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 103212112012 its reverse (210211212301), we get a palindrome (313423324313).

The spelling of 103212112012 in words is "one hundred three billion, two hundred twelve million, one hundred twelve thousand, twelve".