1345112012 has 24 divisors (see below), whose sum is σ = 2502375120. Its totient is φ = 630464000.

The previous prime is 1345112003. The next prime is 1345112039. The reversal of 1345112012 is 2102115431.

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, 22337 + ... + 56472.

It is an arithmetic number, because the mean of its divisors is an integer number (104265630).

Almost surely, 2^1345112012 is an apocalyptic number.

It is an amenable number.

1345112012 is a deficient number, since it is larger than the sum of its proper divisors (1157263108).

1345112012 is a wasteful number, since it uses less digits than its factorization.

1345112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79081 (or 79079 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1345112012 is about 36675.7687308664. The cubic root of 1345112012 is about 1103.8739474421.

Adding to 1345112012 its reverse (2102115431), we get a palindrome (3447227443).

The spelling of 1345112012 in words is "one billion, three hundred forty-five million, one hundred twelve thousand, twelve".