123133021132 has 12 divisors (see below), whose sum is σ = 235072131336. Its totient is φ = 55969555040.

The previous prime is 123133021129. The next prime is 123133021153. The reversal of 123133021132 is 231120331321.

It is a super-2 number, since 2×123133021132² (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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399238833 + ... + 1399238920.

It is an arithmetic number, because the mean of its divisors is an integer number (19589344278).

Almost surely, 2^123133021132 is an apocalyptic number.

It is an amenable number.

123133021132 is a deficient number, since it is larger than the sum of its proper divisors (111939110204).

123133021132 is a wasteful number, since it uses less digits than its factorization.

123133021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798477768 (or 2798477766 counting only the distinct ones).

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

Adding to 123133021132 its reverse (231120331321), we get a palindrome (354253352453).

The spelling of 123133021132 in words is "one hundred twenty-three billion, one hundred thirty-three million, twenty-one thousand, one hundred thirty-two".