12845309097 has 16 divisors (see below), whose sum is σ = 17740800000. Its totient is φ = 8257449984.

The previous prime is 12845309093. The next prime is 12845309101. The reversal of 12845309097 is 79090354821.

It is an interprime number because it is at equal distance from previous prime (12845309093) and next prime (12845309101).

It is not a de Polignac number, because 12845309097 - 2² = 12845309093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12845309093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29097 + ... + 162902.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800000).

Almost surely, 2^12845309097 is an apocalyptic number.

It is an amenable number.

12845309097 is a deficient number, since it is larger than the sum of its proper divisors (4895490903).

12845309097 is a wasteful number, since it uses less digits than its factorization.

12845309097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192800.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 12845309097 in words is "twelve billion, eight hundred forty-five million, three hundred nine thousand, ninety-seven".