1245213023344 has 10 divisors (see below), whose sum is σ = 2412600232760. Its totient is φ = 622606511664.

The previous prime is 1245213023321. The next prime is 1245213023347. The reversal of 1245213023344 is 4433203125421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245213023347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38912906964 + ... + 38912906995.

It is an arithmetic number, because the mean of its divisors is an integer number (241260023276).

Almost surely, 2^{1245213023344} is an apocalyptic number.

It is an amenable number.

1245213023344 is a deficient number, since it is larger than the sum of its proper divisors (1167387209416).

1245213023344 is an equidigital number, since it uses as much as digits as its factorization.

1245213023344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77825813967 (or 77825813961 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 1245213023344 its reverse (4433203125421), we get a palindrome (5678416148765).

The spelling of 1245213023344 in words is "one trillion, two hundred forty-five billion, two hundred thirteen million, twenty-three thousand, three hundred forty-four".