12121001032 has 24 divisors (see below), whose sum is σ = 26437388310. Its totient is φ = 5194714560.

The previous prime is 12121001027. The next prime is 12121001063. The reversal of 12121001032 is 23010012121.

12121001032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9883143396 + 2237857636 = 99414^2 + 47306^2 .

It is a super-3 number, since 3×12121001032³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 15460069 + ... + 15460852.

Almost surely, 2^12121001032 is an apocalyptic number.

It is an amenable number.

12121001032 is an abundant number, since it is smaller than the sum of its proper divisors (14316387278).

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

12121001032 is a wasteful number, since it uses less digits than its factorization.

12121001032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30920941 (or 30920930 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12121001032 its reverse (23010012121), we get a palindrome (35131013153).

The spelling of 12121001032 in words is "twelve billion, one hundred twenty-one million, one thousand, thirty-two".