245122240512 has 104 divisors (see below), whose sum is σ = 669521855520. Its totient is φ = 79714385920.

The previous prime is 245122240487. The next prime is 245122240567. The reversal of 245122240512 is 215042221542.

It is a self number, because there is not a number n which added to its sum of digits gives 245122240512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260539 + ... + 747077.

Almost surely, 2^245122240512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245122240512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334760927760).

245122240512 is an abundant number, since it is smaller than the sum of its proper divisors (424399615008).

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

245122240512 is an equidigital number, since it uses as much as digits as its factorization.

245122240512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486607 (or 486585 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 245122240512 in words is "two hundred forty-five billion, one hundred twenty-two million, two hundred forty thousand, five hundred twelve".