12001102032 has 40 divisors (see below), whose sum is σ = 31007204896. Its totient is φ = 3999805056.

The previous prime is 12001102007. The next prime is 12001102037. The reversal of 12001102032 is 23020110021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12001101999 and 12001102017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001102037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462918 + ... + 488154.

Almost surely, 2^12001102032 is an apocalyptic number.

12001102032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001102032 is an abundant number, since it is smaller than the sum of its proper divisors (19006102864).

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

12001102032 is a wasteful number, since it uses less digits than its factorization.

12001102032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35155 (or 35149 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12001102032 its reverse (23020110021), we get a palindrome (35021212053).

The spelling of 12001102032 in words is "twelve billion, one million, one hundred two thousand, thirty-two".