123211330132 has 48 divisors (see below), whose sum is σ = 237198165120. Its totient is φ = 55536163200.

The previous prime is 123211330129. The next prime is 123211330139. The reversal of 123211330132 is 231033112321.

It is a super-2 number, since 2×123211330132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123211330139) 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 15 ways as a sum of consecutive naturals, for example, 3073594 + ... + 3113422.

It is an arithmetic number, because the mean of its divisors is an integer number (4941628440).

Almost surely, 2^123211330132 is an apocalyptic number.

It is an amenable number.

123211330132 is a deficient number, since it is larger than the sum of its proper divisors (113986834988).

123211330132 is a wasteful number, since it uses less digits than its factorization.

123211330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40432 (or 40430 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123211330132 its reverse (231033112321), we get a palindrome (354244442453).

The spelling of 123211330132 in words is "one hundred twenty-three billion, two hundred eleven million, three hundred thirty thousand, one hundred thirty-two".