222232123012 has 12 divisors (see below), whose sum is σ = 389409333516. Its totient is φ = 110972313440.

The previous prime is 222232122997. The next prime is 222232123033. The reversal of 222232123012 is 210321232222.

It can be written as a sum of positive squares in 2 ways, for example, as 90153665536 + 132078457476 = 300256^2 + 363426^2 .

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, 35933539 + ... + 35939722.

It is an arithmetic number, because the mean of its divisors is an integer number (32450777793).

Almost surely, 2^222232123012 is an apocalyptic number.

It is an amenable number.

222232123012 is a deficient number, since it is larger than the sum of its proper divisors (167177210504).

222232123012 is a wasteful number, since it uses less digits than its factorization.

222232123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71874038 (or 71874036 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222232123012 its reverse (210321232222), we get a palindrome (432553355234).

The spelling of 222232123012 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred twenty-three thousand, twelve".