12197219705 has 8 divisors (see below), whose sum is σ = 15967269504. Its totient is φ = 8870705200.

The previous prime is 12197219647. The next prime is 12197219729. The reversal of 12197219705 is 50791279121.

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

It is not a de Polignac number, because 12197219705 - 2¹⁸ = 12196957561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110883761 + ... + 110883870.

It is an arithmetic number, because the mean of its divisors is an integer number (1995908688).

Almost surely, 2^12197219705 is an apocalyptic number.

It is an amenable number.

12197219705 is a deficient number, since it is larger than the sum of its proper divisors (3770049799).

12197219705 is a wasteful number, since it uses less digits than its factorization.

12197219705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221767647.

The product of its (nonzero) digits is 79380, while the sum is 44.

The spelling of 12197219705 in words is "twelve billion, one hundred ninety-seven million, two hundred nineteen thousand, seven hundred five".