12202012123 has 32 divisors (see below), whose sum is σ = 15007057920. Its totient is φ = 9683297280.

The previous prime is 12202012117. The next prime is 12202012127. The reversal of 12202012123 is 32121020221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12202012123 - 2⁹ = 12202011611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202012097 and 12202012106.

It is not an unprimeable number, because it can be changed into a prime (12202012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3742468 + ... + 3745726.

It is an arithmetic number, because the mean of its divisors is an integer number (468970560).

Almost surely, 2^12202012123 is an apocalyptic number.

12202012123 is a deficient number, since it is larger than the sum of its proper divisors (2805045797).

12202012123 is a wasteful number, since it uses less digits than its factorization.

12202012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12202012123 its reverse (32121020221), we get a palindrome (44323032344).

The spelling of 12202012123 in words is "twelve billion, two hundred two million, twelve thousand, one hundred twenty-three".