1305002012 has 36 divisors (see below), whose sum is σ = 2362600296. Its totient is φ = 630655200.

The previous prime is 1305002003. The next prime is 1305002051. The reversal of 1305002012 is 2102005031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746123 + ... + 747869.

It is an arithmetic number, because the mean of its divisors is an integer number (65627786).

Almost surely, 2^1305002012 is an apocalyptic number.

It is an amenable number.

1305002012 is a deficient number, since it is larger than the sum of its proper divisors (1057598284).

1305002012 is a wasteful number, since it uses less digits than its factorization.

1305002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1305002012 is about 36124.8115842837. The cubic root of 1305002012 is about 1092.7908762628.

Adding to 1305002012 its reverse (2102005031), we get a palindrome (3407007043).

The spelling of 1305002012 in words is "one billion, three hundred five million, two thousand, twelve".