12119177429 has 2 divisors, whose sum is σ = 12119177430. Its totient is φ = 12119177428.

The previous prime is 12119177423. The next prime is 12119177443. The reversal of 12119177429 is 92477191121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10774855204 + 1344322225 = 103802^2 + 36665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12119177429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12119177429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12119177423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059588714 + 6059588715.

It is an arithmetic number, because the mean of its divisors is an integer number (6059588715).

Almost surely, 2^12119177429 is an apocalyptic number.

It is an amenable number.

12119177429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12119177429 is an equidigital number, since it uses as much as digits as its factorization.

12119177429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 44.

The spelling of 12119177429 in words is "twelve billion, one hundred nineteen million, one hundred seventy-seven thousand, four hundred twenty-nine".