12098849683447 has 4 divisors (see below), whose sum is σ = 12251999679520. Its totient is φ = 11945699687376.

The previous prime is 12098849683439. The next prime is 12098849683499. The reversal of 12098849683447 is 74438694889021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12098849683447 - 2³ = 12098849683439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12098849683447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098849683147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76574997918 + ... + 76574998075.

It is an arithmetic number, because the mean of its divisors is an integer number (3062999919880).

Almost surely, 2^{12098849683447} is an apocalyptic number.

12098849683447 is a deficient number, since it is larger than the sum of its proper divisors (153149996073).

12098849683447 is an equidigital number, since it uses as much as digits as its factorization.

12098849683447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153149996072.

The product of its (nonzero) digits is 668860416, while the sum is 73.

The spelling of 12098849683447 in words is "twelve trillion, ninety-eight billion, eight hundred forty-nine million, six hundred eighty-three thousand, four hundred forty-seven".