202023021212130 has 128 divisors (see below), whose sum is σ = 498438077409792. Its totient is φ = 52381970321408.

The previous prime is 202023021212101. The next prime is 202023021212141. The reversal of 202023021212130 is 31212120320202.

It is a junction number, because it is equal to n+sod(n) for n = 202023021212097 and 202023021212106.

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, 1513293664 + ... + 1513427156.

It is an arithmetic number, because the mean of its divisors is an integer number (3894047479764).

Almost surely, 2^{202023021212130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202023021212130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249219038704896).

202023021212130 is an abundant number, since it is smaller than the sum of its proper divisors (296415056197662).

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

202023021212130 is a wasteful number, since it uses less digits than its factorization.

202023021212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142092.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 202023021212130 its reverse (31212120320202), we get a palindrome (233235141532332).

The spelling of 202023021212130 in words is "two hundred two trillion, twenty-three billion, twenty-one million, two hundred twelve thousand, one hundred thirty".