1253412312 has 64 divisors (see below), whose sum is σ = 3398824800. Its totient is φ = 383631360.

The previous prime is 1253412269. The next prime is 1253412337. The reversal of 1253412312 is 2132143521.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 20737 + ... + 54192.

Almost surely, 2^1253412312 is an apocalyptic number.

1253412312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253412312 is an abundant number, since it is smaller than the sum of its proper divisors (2145412488).

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

1253412312 is a wasteful number, since it uses less digits than its factorization.

1253412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74996 (or 74992 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1253412312 is about 35403.5635494508. The cubic root of 1253412312 is about 1078.1966682003.

Adding to 1253412312 its reverse (2132143521), we get a palindrome (3385555833).

The spelling of 1253412312 in words is "one billion, two hundred fifty-three million, four hundred twelve thousand, three hundred twelve".