12242907553 has 2 divisors, whose sum is σ = 12242907554. Its totient is φ = 12242907552.

The previous prime is 12242907539. The next prime is 12242907617. The reversal of 12242907553 is 35570924221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11060097889 + 1182809664 = 105167^2 + 34392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12242907553 is a prime.

It is not a weakly prime, because it can be changed into another prime (12242907503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121453776 + 6121453777.

It is an arithmetic number, because the mean of its divisors is an integer number (6121453777).

Almost surely, 2^12242907553 is an apocalyptic number.

It is an amenable number.

12242907553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242907553 is an equidigital number, since it uses as much as digits as its factorization.

12242907553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 12242907553 in words is "twelve billion, two hundred forty-two million, nine hundred seven thousand, five hundred fifty-three".