1255012012 has 24 divisors (see below), whose sum is σ = 2354909760. Its totient is φ = 583115520.

The previous prime is 1255011983. The next prime is 1255012123. The reversal of 1255012012 is 2102105521.

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, 111439 + ... + 122182.

It is an arithmetic number, because the mean of its divisors is an integer number (98121240).

Almost surely, 2^1255012012 is an apocalyptic number.

It is an amenable number.

1255012012 is a deficient number, since it is larger than the sum of its proper divisors (1099897748).

1255012012 is a wasteful number, since it uses less digits than its factorization.

1255012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233721 (or 233719 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1255012012 is about 35426.1487040293. The cubic root of 1255012012 is about 1078.6551653613.

Adding to 1255012012 its reverse (2102105521), we get a palindrome (3357117533).

The spelling of 1255012012 in words is "one billion, two hundred fifty-five million, twelve thousand, twelve".