1312200119 has 2 divisors, whose sum is σ = 1312200120. Its totient is φ = 1312200118.

The previous prime is 1312200089. The next prime is 1312200143. The reversal of 1312200119 is 9110022131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312200119 is a prime.

It is a super-2 number, since 2×1312200119² = 3443738304607228322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1312200119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312200319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656100059 + 656100060.

It is an arithmetic number, because the mean of its divisors is an integer number (656100060).

Almost surely, 2^1312200119 is an apocalyptic number.

1312200119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312200119 is an equidigital number, since it uses as much as digits as its factorization.

1312200119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1312200119 is about 36224.3028780403. The cubic root of 1312200119 is about 1094.7963922980.

The spelling of 1312200119 in words is "one billion, three hundred twelve million, two hundred thousand, one hundred nineteen".