12001210032 has 80 divisors (see below), whose sum is σ = 35579405312. Its totient is φ = 3414666240.

The previous prime is 12001210031. The next prime is 12001210033. The reversal of 12001210032 is 23001210021.

It is an interprime number because it is at equal distance from previous prime (12001210031) and next prime (12001210033).

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

It is not an unprimeable number, because it can be changed into a prime (12001210031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6873 + ... + 155079.

Almost surely, 2^12001210032 is an apocalyptic number.

12001210032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12001210032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17789702656).

12001210032 is an abundant number, since it is smaller than the sum of its proper divisors (23578195280).

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

12001210032 is a wasteful number, since it uses less digits than its factorization.

12001210032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148466 (or 148460 counting only the distinct ones).

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

Adding to 12001210032 its reverse (23001210021), we get a palindrome (35002420053).

The spelling of 12001210032 in words is "twelve billion, one million, two hundred ten thousand, thirty-two".