12320081929 has 2 divisors, whose sum is σ = 12320081930. Its totient is φ = 12320081928.

The previous prime is 12320081903. The next prime is 12320081989. The reversal of 12320081929 is 92918002321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8542750329 + 3777331600 = 92427^2 + 61460^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320081929 - 2⁷ = 12320081801 is a prime.

It is a super-2 number, since 2×12320081929² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12320081989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160040964 + 6160040965.

It is an arithmetic number, because the mean of its divisors is an integer number (6160040965).

Almost surely, 2^12320081929 is an apocalyptic number.

It is an amenable number.

12320081929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320081929 is an equidigital number, since it uses as much as digits as its factorization.

12320081929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12320081929 in words is "twelve billion, three hundred twenty million, eighty-one thousand, nine hundred twenty-nine".