12254737109 has 2 divisors, whose sum is σ = 12254737110. Its totient is φ = 12254737108.

The previous prime is 12254737063. The next prime is 12254737123. The reversal of 12254737109 is 90173745221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6523792900 + 5730944209 = 80770^2 + 75703^2 .

It is a cyclic number.

It is not a de Polignac number, because 12254737109 - 2²⁰ = 12253688533 is a prime.

It is a super-2 number, since 2×12254737109² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12254737139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127368554 + 6127368555.

It is an arithmetic number, because the mean of its divisors is an integer number (6127368555).

Almost surely, 2^12254737109 is an apocalyptic number.

It is an amenable number.

12254737109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254737109 is an equidigital number, since it uses as much as digits as its factorization.

12254737109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 12254737109 in words is "twelve billion, two hundred fifty-four million, seven hundred thirty-seven thousand, one hundred nine".