123221202032 has 40 divisors (see below), whose sum is σ = 242675003520. Its totient is φ = 60602572800.

The previous prime is 123221202019. The next prime is 123221202047. The reversal of 123221202032 is 230202122321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123221201995 and 123221202013.

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, 50657 + ... + 499007.

It is an arithmetic number, because the mean of its divisors is an integer number (6066875088).

Almost surely, 2^123221202032 is an apocalyptic number.

It is an amenable number.

123221202032 is a deficient number, since it is larger than the sum of its proper divisors (119453801488).

123221202032 is a wasteful number, since it uses less digits than its factorization.

123221202032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448641 (or 448635 counting only the distinct ones).

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

Adding to 123221202032 its reverse (230202122321), we get a palindrome (353423324353).

The spelling of 123221202032 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred two thousand, thirty-two".