12231222220022 has 16 divisors (see below), whose sum is σ = 19768688476992. Its totient is φ = 5642162264640.

The previous prime is 12231222219991. The next prime is 12231222220073. The reversal of 12231222220022 is 22002222213221.

It is a self number, because there is not a number n which added to its sum of digits gives 12231222220022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125667983 + ... + 125765274.

It is an arithmetic number, because the mean of its divisors is an integer number (1235543029812).

Almost surely, 2^{12231222220022} is an apocalyptic number.

12231222220022 is a deficient number, since it is larger than the sum of its proper divisors (7537466256970).

12231222220022 is a wasteful number, since it uses less digits than its factorization.

12231222220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251435143.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12231222220022 its reverse (22002222213221), we get a palindrome (34233444433243).

The spelling of 12231222220022 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".