123100020002222 has 8 divisors (see below), whose sum is σ = 184874392132176. Its totient is φ = 61475222624832.

The previous prime is 123100020002171. The next prime is 123100020002227. The reversal of 123100020002222 is 222200020001321.

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

It is a super-2 number, since 2×123100020002222² (a number of 29 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 123100020002222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100020002227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37393686083 + ... + 37393689374.

It is an arithmetic number, because the mean of its divisors is an integer number (23109299016522).

Almost surely, 2^{123100020002222} is an apocalyptic number.

123100020002222 is a deficient number, since it is larger than the sum of its proper divisors (61774372129954).

123100020002222 is an equidigital number, since it uses as much as digits as its factorization.

123100020002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74787376282.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 123100020002222 its reverse (222200020001321), we get a palindrome (345300040003543).

Subtracting 123100020002222 from its reverse (222200020001321), we obtain a palindrome (99099999999099).

The spelling of 123100020002222 in words is "one hundred twenty-three trillion, one hundred billion, twenty million, two thousand, two hundred twenty-two".