1245102312 has 32 divisors (see below), whose sum is σ = 3126362400. Its totient is φ = 413219904.

The previous prime is 1245102233. The next prime is 1245102329. The reversal of 1245102312 is 2132015421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107778 + ... + 118769.

It is an arithmetic number, because the mean of its divisors is an integer number (97698825).

Almost surely, 2^1245102312 is an apocalyptic number.

1245102312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245102312 is an abundant number, since it is smaller than the sum of its proper divisors (1881260088).

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

1245102312 is a wasteful number, since it uses less digits than its factorization.

1245102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226785 (or 226781 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1245102312 is about 35286.0073116809. The cubic root of 1245102312 is about 1075.8086036669.

Adding to 1245102312 its reverse (2132015421), we get a palindrome (3377117733).

The spelling of 1245102312 in words is "one billion, two hundred forty-five million, one hundred two thousand, three hundred twelve".