12906305097 has 8 divisors (see below), whose sum is σ = 19666750656. Its totient is φ = 7375031472.

The previous prime is 12906305039. The next prime is 12906305101. The reversal of 12906305097 is 79050360921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12906305097 - 2¹⁴ = 12906288713 is a prime.

It is a super-2 number, since 2×12906305097² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12906305297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307292958 + ... + 307292999.

It is an arithmetic number, because the mean of its divisors is an integer number (2458343832).

Almost surely, 2^12906305097 is an apocalyptic number.

It is an amenable number.

12906305097 is a deficient number, since it is larger than the sum of its proper divisors (6760445559).

12906305097 is an equidigital number, since it uses as much as digits as its factorization.

12906305097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614585967.

The product of its (nonzero) digits is 102060, while the sum is 42.

It can be divided in two parts, 12906 and 305097, that added together give a triangular number (318003 = T₇₉₇).

The spelling of 12906305097 in words is "twelve billion, nine hundred six million, three hundred five thousand, ninety-seven".