219231330125 has 12 divisors (see below), whose sum is σ = 273607233276. Its totient is φ = 175380876200.

The previous prime is 219231330077. The next prime is 219231330151. The reversal of 219231330125 is 521033132912.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 7015402564 + 212215927561 = 83758^2 + 460669^2 .

It is a de Polignac number, because none of the positive numbers 2^k-219231330125 is a prime.

It is a super-2 number, since 2×219231330125² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219231330091 and 219231330100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5213936 + ... + 5255814.

It is an arithmetic number, because the mean of its divisors is an integer number (22800602773).

Almost surely, 2^219231330125 is an apocalyptic number.

219231330125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

219231330125 is a deficient number, since it is larger than the sum of its proper divisors (54375903151).

219231330125 is an frugal number, since it uses more digits than its factorization.

219231330125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83773 (or 41884 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 219231330125 in words is "two hundred nineteen billion, two hundred thirty-one million, three hundred thirty thousand, one hundred twenty-five".