120023121132 has 72 divisors (see below), whose sum is σ = 321412933296. Its totient is φ = 37633849344.

The previous prime is 120023121121. The next prime is 120023121137. The reversal of 120023121132 is 231121320021.

It is a super-2 number, since 2×120023121132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120023121137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1093923 + ... + 1198629.

It is an arithmetic number, because the mean of its divisors is an integer number (4464068518).

Almost surely, 2^120023121132 is an apocalyptic number.

120023121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120023121132 is an abundant number, since it is smaller than the sum of its proper divisors (201389812164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120023121132 is a wasteful number, since it uses less digits than its factorization.

120023121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106607 (or 106602 counting only the distinct ones).

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

Adding to 120023121132 its reverse (231121320021), we get a palindrome (351144441153).

The spelling of 120023121132 in words is "one hundred twenty billion, twenty-three million, one hundred twenty-one thousand, one hundred thirty-two".