245121113202 has 64 divisors (see below), whose sum is σ = 573550848000. Its totient is φ = 69809229840.

The previous prime is 245121113189. The next prime is 245121113203. The reversal of 245121113202 is 202311121542.

It is a happy number.

245121113202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245121113203) 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 31 ways as a sum of consecutive naturals, for example, 448549 + ... + 831527.

It is an arithmetic number, because the mean of its divisors is an integer number (8961732000).

Almost surely, 2^245121113202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245121113202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286775424000).

245121113202 is an abundant number, since it is smaller than the sum of its proper divisors (328429734798).

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

245121113202 is a wasteful number, since it uses less digits than its factorization.

245121113202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383316 (or 383302 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 245121113202 its reverse (202311121542), we get a palindrome (447432234744).

The spelling of 245121113202 in words is "two hundred forty-five billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred two".