219896706123 has 64 divisors (see below), whose sum is σ = 340626124800. Its totient is φ = 140041440000.

The previous prime is 219896706109. The next prime is 219896706151. The reversal of 219896706123 is 321607698912.

219896706123 is a `hidden beast` number, since 2 + 19 + 8 + 9 + 6 + 7 + 0 + 612 + 3 = 666.

It is not a de Polignac number, because 219896706123 - 2⁵ = 219896706091 is a prime.

It is a super-2 number, since 2×219896706123² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 219896706123.

It is not an unprimeable number, because it can be changed into a prime (219896706163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52217488 + ... + 52221698.

It is an arithmetic number, because the mean of its divisors is an integer number (5322283200).

Almost surely, 2^219896706123 is an apocalyptic number.

219896706123 is a deficient number, since it is larger than the sum of its proper divisors (120729418677).

219896706123 is a wasteful number, since it uses less digits than its factorization.

219896706123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 219896706123 in words is "two hundred nineteen billion, eight hundred ninety-six million, seven hundred six thousand, one hundred twenty-three".