245201223102 has 64 divisors (see below), whose sum is σ = 543981754368. Its totient is φ = 73054800000.

The previous prime is 245201223083. The next prime is 245201223107. The reversal of 245201223102 is 201322102542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245201223107) 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, 10766227 + ... + 10788977.

It is an arithmetic number, because the mean of its divisors is an integer number (8499714912).

Almost surely, 2^245201223102 is an apocalyptic number.

245201223102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 245201223102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271990877184).

245201223102 is an abundant number, since it is smaller than the sum of its proper divisors (298780531266).

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

245201223102 is a wasteful number, since it uses less digits than its factorization.

245201223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 245201223102 its reverse (201322102542), we get a palindrome (446523325644).

The spelling of 245201223102 in words is "two hundred forty-five billion, two hundred one million, two hundred twenty-three thousand, one hundred two".