123112202222 has 8 divisors (see below), whose sum is σ = 190625345472. Its totient is φ = 59570420400.

The previous prime is 123112202207. The next prime is 123112202293. The reversal of 123112202222 is 222202211321.

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

It is a super-2 number, since 2×123112202222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123112202194 and 123112202203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992840279 + ... + 992840402.

It is an arithmetic number, because the mean of its divisors is an integer number (23828168184).

Almost surely, 2^123112202222 is an apocalyptic number.

123112202222 is a deficient number, since it is larger than the sum of its proper divisors (67513143250).

123112202222 is a wasteful number, since it uses less digits than its factorization.

123112202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985680714.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 123112202222 its reverse (222202211321), we get a palindrome (345314413543).

Subtracting 123112202222 from its reverse (222202211321), we obtain a palindrome (99090009099).

The spelling of 123112202222 in words is "one hundred twenty-three billion, one hundred twelve million, two hundred two thousand, two hundred twenty-two".