1312256050 has 96 divisors (see below), whose sum is σ = 2855174400. Its totient is φ = 439464960.

The previous prime is 1312256041. The next prime is 1312256051. The reversal of 1312256050 is 506522131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1312256051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3208246 + ... + 3208654.

It is an arithmetic number, because the mean of its divisors is an integer number (29741400).

Almost surely, 2^1312256050 is an apocalyptic number.

1312256050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312256050 is an abundant number, since it is smaller than the sum of its proper divisors (1542918350).

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

1312256050 is a wasteful number, since it uses less digits than its factorization.

1312256050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1312256050 is about 36225.0748791497. The cubic root of 1312256050 is about 1094.8119468835.

Adding to 1312256050 its reverse (506522131), we get a palindrome (1818778181).

The spelling of 1312256050 in words is "one billion, three hundred twelve million, two hundred fifty-six thousand, fifty".