123032210121 has 64 divisors (see below), whose sum is σ = 191374410240. Its totient is φ = 77970309120.

The previous prime is 123032210117. The next prime is 123032210141. The reversal of 123032210121 is 121012230321.

It is not a de Polignac number, because 123032210121 - 2² = 123032210117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123032210094 and 123032210103.

It is not an unprimeable number, because it can be changed into a prime (123032210141) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 121452811 + ... + 121453823.

It is an arithmetic number, because the mean of its divisors is an integer number (2990225160).

Almost surely, 2^123032210121 is an apocalyptic number.

It is an amenable number.

123032210121 is a deficient number, since it is larger than the sum of its proper divisors (68342200119).

123032210121 is a wasteful number, since it uses less digits than its factorization.

123032210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123032210121 its reverse (121012230321), we get a palindrome (244044440442).

The spelling of 123032210121 in words is "one hundred twenty-three billion, thirty-two million, two hundred ten thousand, one hundred twenty-one".