123222043412 has 12 divisors (see below), whose sum is σ = 232226158836. Its totient is φ = 56871712320.

The previous prime is 123222043403. The next prime is 123222043421. The reversal of 123222043412 is 214340222321.

It is an interprime number because it is at equal distance from previous prime (123222043403) and next prime (123222043421).

It can be written as a sum of positive squares in 2 ways, for example, as 55656359056 + 67565684356 = 235916^2 + 259934^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 3 ways as a sum of consecutive naturals, for example, 1184827289 + ... + 1184827392.

It is an arithmetic number, because the mean of its divisors is an integer number (19352179903).

Almost surely, 2^123222043412 is an apocalyptic number.

It is an amenable number.

123222043412 is a deficient number, since it is larger than the sum of its proper divisors (109004115424).

123222043412 is a wasteful number, since it uses less digits than its factorization.

123222043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369654698 (or 2369654696 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123222043412 its reverse (214340222321), we get a palindrome (337562265733).

The spelling of 123222043412 in words is "one hundred twenty-three billion, two hundred twenty-two million, forty-three thousand, four hundred twelve".