123211321022 has 16 divisors (see below), whose sum is σ = 196356463632. Its totient is φ = 57783903360.

The previous prime is 123211321019. The next prime is 123211321109. The reversal of 123211321022 is 220123112321.

It is a junction number, because it is equal to n+sod(n) for n = 123211320985 and 123211321003.

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, 6174104 + ... + 6194027.

It is an arithmetic number, because the mean of its divisors is an integer number (12272278977).

Almost surely, 2^123211321022 is an apocalyptic number.

123211321022 is a deficient number, since it is larger than the sum of its proper divisors (73145142610).

123211321022 is a wasteful number, since it uses less digits than its factorization.

123211321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12368443.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123211321022 its reverse (220123112321), we get a palindrome (343334433343).

The spelling of 123211321022 in words is "one hundred twenty-three billion, two hundred eleven million, three hundred twenty-one thousand, twenty-two".