1245322002344 has 128 divisors (see below), whose sum is σ = 2860651987200. Its totient is φ = 496106864640.

The previous prime is 1245322002343. The next prime is 1245322002371. The reversal of 1245322002344 is 4432002235421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245322002344.

It is not an unprimeable number, because it can be changed into a prime (1245322002341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25514924 + ... + 25563684.

It is an arithmetic number, because the mean of its divisors is an integer number (22348843650).

Almost surely, 2^{1245322002344} is an apocalyptic number.

1245322002344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245322002344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430325993600).

1245322002344 is an abundant number, since it is smaller than the sum of its proper divisors (1615329984856).

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

1245322002344 is a wasteful number, since it uses less digits than its factorization.

1245322002344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49123 (or 49119 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1245322002344 its reverse (4432002235421), we get a palindrome (5677324237765).

The spelling of 1245322002344 in words is "one trillion, two hundred forty-five billion, three hundred twenty-two million, two thousand, three hundred forty-four".