12224011451537 has 2 divisors, whose sum is σ = 12224011451538. Its totient is φ = 12224011451536.

The previous prime is 12224011451527. The next prime is 12224011451609. The reversal of 12224011451537 is 73515411042221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6979746570241 + 5244264881296 = 2641921^2 + 2290036^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224011451537 - 2²⁴ = 12223994674321 is a prime.

It is a super-3 number, since 3×12224011451537³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12224011451537.

It is not a weakly prime, because it can be changed into another prime (12224011451527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112005725768 + 6112005725769.

It is an arithmetic number, because the mean of its divisors is an integer number (6112005725769).

Almost surely, 2^{12224011451537} is an apocalyptic number.

It is an amenable number.

12224011451537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224011451537 is an equidigital number, since it uses as much as digits as its factorization.

12224011451537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

Adding to 12224011451537 its reverse (73515411042221), we get a palindrome (85739422493758).

The spelling of 12224011451537 in words is "twelve trillion, two hundred twenty-four billion, eleven million, four hundred fifty-one thousand, five hundred thirty-seven".