12001000030 has 32 divisors (see below), whose sum is σ = 22555713600. Its totient is φ = 4588691712.

The previous prime is 12001000003. The next prime is 12001000031. The reversal of 12001000030 is 3000010021.

It is a junction number, because it is equal to n+sod(n) for n = 12000999977 and 12001000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001000031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353856 + ... + 386284.

It is an arithmetic number, because the mean of its divisors is an integer number (704866050).

Almost surely, 2^12001000030 is an apocalyptic number.

12001000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001000030 is a deficient number, since it is larger than the sum of its proper divisors (10554713570).

12001000030 is a wasteful number, since it uses less digits than its factorization.

12001000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34068.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 12001000030 its reverse (3000010021), we get a palindrome (15001010051).

Subtracting from 12001000030 its reverse (3000010021), we obtain a palindrome (9000990009).

The spelling of 12001000030 in words is "twelve billion, one million, thirty", and thus it is an aban number and an uban number.