12250115220554 has 16 divisors (see below), whose sum is σ = 19450864588320. Its totient is φ = 5776317360240.

The previous prime is 12250115220523. The next prime is 12250115220613. The reversal of 12250115220554 is 45502251105221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455914752 + ... + 2455919739.

It is an arithmetic number, because the mean of its divisors is an integer number (1215679036770).

Almost surely, 2^{12250115220554} is an apocalyptic number.

12250115220554 is a deficient number, since it is larger than the sum of its proper divisors (7200749367766).

12250115220554 is a wasteful number, since it uses less digits than its factorization.

12250115220554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911834565.

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 12250115220554 its reverse (45502251105221), we get a palindrome (57752366325775).

The spelling of 12250115220554 in words is "twelve trillion, two hundred fifty billion, one hundred fifteen million, two hundred twenty thousand, five hundred fifty-four".