12252202240520 has 256 divisors, whose sum is σ = 31570560000000. Its totient is φ = 4235955609600.

The previous prime is 12252202240511. The next prime is 12252202240529. The reversal of 12252202240520 is 2504220225221.

It is an interprime number because it is at equal distance from previous prime (12252202240511) and next prime (12252202240529).

It is not an unprimeable number, because it can be changed into a prime (12252202240529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2515333685 + ... + 2515338555.

It is an arithmetic number, because the mean of its divisors is an integer number (123322500000).

Almost surely, 2^{12252202240520} is an apocalyptic number.

12252202240520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12252202240520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15785280000000).

12252202240520 is an abundant number, since it is smaller than the sum of its proper divisors (19318357759480).

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

12252202240520 is a wasteful number, since it uses less digits than its factorization.

12252202240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364 (or 6360 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 12252202240520 its reverse (2504220225221), we get a palindrome (14756422465741).

The spelling of 12252202240520 in words is "twelve trillion, two hundred fifty-two billion, two hundred two million, two hundred forty thousand, five hundred twenty".