123102031222 has 16 divisors (see below), whose sum is σ = 186494482944. Its totient is φ = 60939385000.

The previous prime is 123102031177. The next prime is 123102031231. The reversal of 123102031222 is 222130201321.

It is a super-2 number, since 2×123102031222² (a number of 23 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 123102031222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432154 + ... + 657997.

It is an arithmetic number, because the mean of its divisors is an integer number (11655905184).

Almost surely, 2^123102031222 is an apocalyptic number.

123102031222 is a deficient number, since it is larger than the sum of its proper divisors (63392451722).

123102031222 is a wasteful number, since it uses less digits than its factorization.

123102031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090715.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123102031222 its reverse (222130201321), we get a palindrome (345232232543).

The spelling of 123102031222 in words is "one hundred twenty-three billion, one hundred two million, thirty-one thousand, two hundred twenty-two".