12240424997 has 2 divisors, whose sum is σ = 12240424998. Its totient is φ = 12240424996.

The previous prime is 12240424981. The next prime is 12240425033. The reversal of 12240424997 is 79942404221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10858890436 + 1381534561 = 104206^2 + 37169^2 .

It is a cyclic number.

It is not a de Polignac number, because 12240424997 - 2⁴ = 12240424981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12240424597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120212498 + 6120212499.

It is an arithmetic number, because the mean of its divisors is an integer number (6120212499).

Almost surely, 2^12240424997 is an apocalyptic number.

It is an amenable number.

12240424997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240424997 is an equidigital number, since it uses as much as digits as its factorization.

12240424997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 12240424997 in words is "twelve billion, two hundred forty million, four hundred twenty-four thousand, nine hundred ninety-seven".