12219267745 has 8 divisors (see below), whose sum is σ = 15434864640. Its totient is φ = 9260918640.

The previous prime is 12219267733. The next prime is 12219267751. The reversal of 12219267745 is 54776291221.

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

It is not a de Polignac number, because 12219267745 - 2¹⁹ = 12218743457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12219267695 and 12219267704.

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, 64311841 + ... + 64312030.

It is an arithmetic number, because the mean of its divisors is an integer number (1929358080).

Almost surely, 2^12219267745 is an apocalyptic number.

It is an amenable number.

12219267745 is a deficient number, since it is larger than the sum of its proper divisors (3215596895).

12219267745 is a wasteful number, since it uses less digits than its factorization.

12219267745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128623895.

The product of its digits is 423360, while the sum is 46.

The spelling of 12219267745 in words is "twelve billion, two hundred nineteen million, two hundred sixty-seven thousand, seven hundred forty-five".