219231330126 has 32 divisors (see below), whose sum is σ = 459265973760. Its totient is φ = 69634053984.

The previous prime is 219231330077. The next prime is 219231330151. The reversal of 219231330126 is 621033132912.

It is a super-2 number, since 2×219231330126² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2983921 + ... + 3056508.

It is an arithmetic number, because the mean of its divisors is an integer number (14352061680).

Almost surely, 2^219231330126 is an apocalyptic number.

219231330126 is an abundant number, since it is smaller than the sum of its proper divisors (240034643634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219231330126 is a wasteful number, since it uses less digits than its factorization.

219231330126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040720.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 219231330126 in words is "two hundred nineteen billion, two hundred thirty-one million, three hundred thirty thousand, one hundred twenty-six".