123103212222 has 16 divisors (see below), whose sum is σ = 254148567552. Its totient is φ = 39710713560.

The previous prime is 123103212217. The next prime is 123103212223. The reversal of 123103212222 is 222212301321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103212223) 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, 330922428 + ... + 330922799.

It is an arithmetic number, because the mean of its divisors is an integer number (15884285472).

Almost surely, 2^123103212222 is an apocalyptic number.

123103212222 is an abundant number, since it is smaller than the sum of its proper divisors (131045355330).

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

123103212222 is a wasteful number, since it uses less digits than its factorization.

123103212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661845263.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123103212222 its reverse (222212301321), we get a palindrome (345315513543).

The spelling of 123103212222 in words is "one hundred twenty-three billion, one hundred three million, two hundred twelve thousand, two hundred twenty-two".