12252024550 has 24 divisors (see below), whose sum is σ = 22791677400. Its totient is φ = 4900183680.

The previous prime is 12252024541. The next prime is 12252024553. The reversal of 12252024550 is 5542025221.

It is a super-2 number, since 2×12252024550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252024553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770581 + ... + 786319.

It is an arithmetic number, because the mean of its divisors is an integer number (949653225).

Almost surely, 2^12252024550 is an apocalyptic number.

12252024550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12252024550 is a deficient number, since it is larger than the sum of its proper divisors (10539652850).

12252024550 is a wasteful number, since it uses less digits than its factorization.

12252024550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31320 (or 31315 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 12252024550 its reverse (5542025221), we get a palindrome (17794049771).

The spelling of 12252024550 in words is "twelve billion, two hundred fifty-two million, twenty-four thousand, five hundred fifty".