123011022312222 has 32 divisors (see below), whose sum is σ = 268414314900480. Its totient is φ = 37272368776320.

The previous prime is 123011022312209. The next prime is 123011022312239. The reversal of 123011022312222 is 222213220110321.

It is a super-2 number, since 2×123011022312222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123011022312192 and 123011022312201.

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, 91794523 + ... + 93124950.

It is an arithmetic number, because the mean of its divisors is an integer number (8387947340640).

Almost surely, 2^{123011022312222} is an apocalyptic number.

123011022312222 is an abundant number, since it is smaller than the sum of its proper divisors (145403292588258).

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

123011022312222 is a wasteful number, since it uses less digits than its factorization.

123011022312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184929568.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123011022312222 its reverse (222213220110321), we get a palindrome (345224242422543).

The spelling of 123011022312222 in words is "one hundred twenty-three trillion, eleven billion, twenty-two million, three hundred twelve thousand, two hundred twenty-two".