123012222 has 16 divisors (see below), whose sum is σ = 246156672. Its totient is φ = 40982040.

The previous prime is 123012203. The next prime is 123012223. The reversal of 123012222 is 222210321.

It is a happy number.

It is a super-2 number, since 2×123012222² = 30264013522754568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012223) 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, 9903 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (15384792).

Almost surely, 2^123012222 is an apocalyptic number.

123012222 is an abundant number, since it is smaller than the sum of its proper divisors (123144450).

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

123012222 is a wasteful number, since it uses less digits than its factorization.

123012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11023.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 123012222 is about 11091.0875030359. The cubic root of 123012222 is about 497.3354549564.

Adding to 123012222 its reverse (222210321), we get a palindrome (345222543).

The spelling of 123012222 in words is "one hundred twenty-three million, twelve thousand, two hundred twenty-two".