1245313375000 has 112 divisors (see below), whose sum is σ = 2959794926640. Its totient is φ = 491106000000.

The previous prime is 1245313374979. The next prime is 1245313375001. The reversal of 1245313375000 is 5733135421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245313375001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8804842 + ... + 8945158.

Almost surely, 2^{1245313375000} is an apocalyptic number.

1245313375000 is a gapful number since it is divisible by the number (10) 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 1245313375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479897463320).

1245313375000 is an abundant number, since it is smaller than the sum of its proper divisors (1714481551640).

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

1245313375000 is an frugal number, since it uses more digits than its factorization.

1245313375000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140424 (or 140395 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 1245313375000 in words is "one trillion, two hundred forty-five billion, three hundred thirteen million, three hundred seventy-five thousand".