222220013123 has 8 divisors (see below), whose sum is σ = 232921586688. Its totient is φ = 211605092424.

The previous prime is 222220013111. The next prime is 222220013149. The reversal of 222220013123 is 321310022222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222220013123 - 2⁸ = 222220012867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222220013095 and 222220013104.

It is not an unprimeable number, because it can be changed into a prime (222220013723) 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, 21657965 + ... + 21668222.

It is an arithmetic number, because the mean of its divisors is an integer number (29115198336).

Almost surely, 2^222220013123 is an apocalyptic number.

222220013123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222220013123 is a deficient number, since it is larger than the sum of its proper divisors (10701573565).

222220013123 is a wasteful number, since it uses less digits than its factorization.

222220013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43326433.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222220013123 its reverse (321310022222), we get a palindrome (543530035345).

Subtracting 222220013123 from its reverse (321310022222), we obtain a palindrome (99090009099).

The spelling of 222220013123 in words is "two hundred twenty-two billion, two hundred twenty million, thirteen thousand, one hundred twenty-three".