1213232179 has 2 divisors, whose sum is σ = 1213232180. Its totient is φ = 1213232178.

The previous prime is 1213232113. The next prime is 1213232201. The reversal of 1213232179 is 9712323121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213232179 - 2⁷ = 1213232051 is a prime.

It is a super-2 number, since 2×1213232179² = 2943864640322176082, 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 1213232179.

It is not a weakly prime, because it can be changed into another prime (1213212179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606616089 + 606616090.

It is an arithmetic number, because the mean of its divisors is an integer number (606616090).

Almost surely, 2^1213232179 is an apocalyptic number.

1213232179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213232179 is an equidigital number, since it uses as much as digits as its factorization.

1213232179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 1213232179 is about 34831.4825840072. The cubic root of 1213232179 is about 1066.5502133392.

The spelling of 1213232179 in words is "one billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred seventy-nine".