123012302222 has 16 divisors (see below), whose sum is σ = 188928866880. Its totient is φ = 60042742368.

The previous prime is 123012302219. The next prime is 123012302233. The reversal of 123012302222 is 222203210321.

It is a happy number.

It is a super-2 number, since 2×123012302222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123012302194 and 123012302203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645493 + ... + 1718624.

It is an arithmetic number, because the mean of its divisors is an integer number (11808054180).

Almost surely, 2^123012302222 is an apocalyptic number.

123012302222 is a deficient number, since it is larger than the sum of its proper divisors (65916564658).

123012302222 is a wasteful number, since it uses less digits than its factorization.

123012302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364555.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123012302222 its reverse (222203210321), we get a palindrome (345215512543).

The spelling of 123012302222 in words is "one hundred twenty-three billion, twelve million, three hundred two thousand, two hundred twenty-two".