202123240130 has 128 divisors (see below), whose sum is σ = 440782110720. Its totient is φ = 65188696320.

The previous prime is 202123240127. The next prime is 202123240141. The reversal of 202123240130 is 31042321202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128986607 + ... + 128988173.

It is an arithmetic number, because the mean of its divisors is an integer number (3443610240).

Almost surely, 2^202123240130 is an apocalyptic number.

202123240130 is an abundant number, since it is smaller than the sum of its proper divisors (238658870590).

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

202123240130 is a wasteful number, since it uses less digits than its factorization.

202123240130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202123240130 its reverse (31042321202), we get a palindrome (233165561332).

The spelling of 202123240130 in words is "two hundred two billion, one hundred twenty-three million, two hundred forty thousand, one hundred thirty".