12219188028087 has 8 divisors (see below), whose sum is σ = 17149737583360. Its totient is φ = 7717381912440.

The previous prime is 12219188028079. The next prime is 12219188028097. The reversal of 12219188028087 is 78082088191221.

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

It is not a de Polignac number, because 12219188028087 - 2³ = 12219188028079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 214371719791 = 12219188028087 / (1 + 2 + 2 + 1 + 9 + 1 + 8 + 8 + 0 + 2 + 8 + 0 + 8 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12219188028037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107185859839 + ... + 107185859952.

It is an arithmetic number, because the mean of its divisors is an integer number (2143717197920).

Almost surely, 2^{12219188028087} is an apocalyptic number.

12219188028087 is a deficient number, since it is larger than the sum of its proper divisors (4930549555273).

12219188028087 is a wasteful number, since it uses less digits than its factorization.

12219188028087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214371719813.

The product of its (nonzero) digits is 2064384, while the sum is 57.

The spelling of 12219188028087 in words is "twelve trillion, two hundred nineteen billion, one hundred eighty-eight million, twenty-eight thousand, eighty-seven".