1345052012 has 24 divisors (see below), whose sum is σ = 2364994800. Its totient is φ = 669348416.

The previous prime is 1345052011. The next prime is 1345052021. The reversal of 1345052012 is 2102505431.

It is not an unprimeable number, because it can be changed into a prime (1345052011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093814 + ... + 1095042.

It is an arithmetic number, because the mean of its divisors is an integer number (98541450).

Almost surely, 2^1345052012 is an apocalyptic number.

It is an amenable number.

1345052012 is a deficient number, since it is larger than the sum of its proper divisors (1019942788).

1345052012 is a wasteful number, since it uses less digits than its factorization.

1345052012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1345052012 is about 36674.9507429799. The cubic root of 1345052012 is about 1103.8575340825.

Adding to 1345052012 its reverse (2102505431), we get a palindrome (3447557443).

The spelling of 1345052012 in words is "one billion, three hundred forty-five million, fifty-two thousand, twelve".