12119977249 has 2 divisors, whose sum is σ = 12119977250. Its totient is φ = 12119977248.

The previous prime is 12119977193. The next prime is 12119977253. The reversal of 12119977249 is 94277991121.

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., 12108801600 + 11175649 = 110040^2 + 3343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12119977249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12119977196 and 12119977205.

It is not a weakly prime, because it can be changed into another prime (12111977249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059988624 + 6059988625.

It is an arithmetic number, because the mean of its divisors is an integer number (6059988625).

Almost surely, 2^12119977249 is an apocalyptic number.

It is an amenable number.

12119977249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12119977249 is an equidigital number, since it uses as much as digits as its factorization.

12119977249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 52.

The spelling of 12119977249 in words is "twelve billion, one hundred nineteen million, nine hundred seventy-seven thousand, two hundred forty-nine".