1255310012 has 48 divisors (see below), whose sum is σ = 2547780480. Its totient is φ = 535176000.

The previous prime is 1255310003. The next prime is 1255310029. The reversal of 1255310012 is 2100135521.

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 15 ways as a sum of consecutive naturals, for example, 77003 + ... + 91869.

It is an arithmetic number, because the mean of its divisors is an integer number (53078760).

Almost surely, 2^1255310012 is an apocalyptic number.

It is an amenable number.

1255310012 is an abundant number, since it is smaller than the sum of its proper divisors (1292470468).

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

1255310012 is a wasteful number, since it uses less digits than its factorization.

1255310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15002 (or 15000 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1255310012 is about 35430.3543871636. The cubic root of 1255310012 is about 1078.7405334157.

Adding to 1255310012 its reverse (2100135521), we get a palindrome (3355445533).

The spelling of 1255310012 in words is "one billion, two hundred fifty-five million, three hundred ten thousand, twelve".