1245240023412 has 96 divisors (see below), whose sum is σ = 3622726195200. Its totient is φ = 323420238720.

The previous prime is 1245240023399. The next prime is 1245240023441. The reversal of 1245240023412 is 2143200425421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1245240023412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23812158 + ... + 23864394.

It is an arithmetic number, because the mean of its divisors is an integer number (37736731200).

Almost surely, 2^{1245240023412} is an apocalyptic number.

1245240023412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245240023412 is an abundant number, since it is smaller than the sum of its proper divisors (2377486171788).

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

1245240023412 is a wasteful number, since it uses less digits than its factorization.

1245240023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78061 (or 78059 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1245240023412 its reverse (2143200425421), we get a palindrome (3388440448833).

The spelling of 1245240023412 in words is "one trillion, two hundred forty-five billion, two hundred forty million, twenty-three thousand, four hundred twelve".