123132220022 has 32 divisors (see below), whose sum is σ = 224031562560. Its totient is φ = 49548764160.

The previous prime is 123132219997. The next prime is 123132220037. The reversal of 123132220022 is 220022231321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123132219976 and 123132220003.

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 15 ways as a sum of consecutive naturals, for example, 514247 + ... + 714642.

It is an arithmetic number, because the mean of its divisors is an integer number (7000986330).

Almost surely, 2^123132220022 is an apocalyptic number.

123132220022 is a deficient number, since it is larger than the sum of its proper divisors (100899342538).

123132220022 is a wasteful number, since it uses less digits than its factorization.

123132220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229336.

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

Adding to 123132220022 its reverse (220022231321), we get a palindrome (343154451343).

The spelling of 123132220022 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred twenty thousand, twenty-two".