123331001222 has 48 divisors (see below), whose sum is σ = 220697077680. Its totient is φ = 51234768000.

The previous prime is 123331001221. The next prime is 123331001231. The reversal of 123331001222 is 222100133321.

It is a junction number, because it is equal to n+sod(n) for n = 123331001194 and 123331001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331001221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211304 + ... + 539732.

It is an arithmetic number, because the mean of its divisors is an integer number (4597855785).

Almost surely, 2^123331001222 is an apocalyptic number.

123331001222 is a deficient number, since it is larger than the sum of its proper divisors (97366076458).

123331001222 is a wasteful number, since it uses less digits than its factorization.

123331001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328569 (or 328556 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123331001222 its reverse (222100133321), we get a palindrome (345431134543).

The spelling of 123331001222 in words is "one hundred twenty-three billion, three hundred thirty-one million, one thousand, two hundred twenty-two".