12001020207 has 48 divisors (see below), whose sum is σ = 18206294400. Its totient is φ = 6965284480.

The previous prime is 12001020191. The next prime is 12001020259. The reversal of 12001020207 is 70202010021.

It is not a de Polignac number, because 12001020207 - 2⁴ = 12001020191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001020277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28641844 + ... + 28642262.

It is an arithmetic number, because the mean of its divisors is an integer number (379297800).

Almost surely, 2^12001020207 is an apocalyptic number.

12001020207 is a deficient number, since it is larger than the sum of its proper divisors (6205274193).

12001020207 is a wasteful number, since it uses less digits than its factorization.

12001020207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

Adding to 12001020207 its reverse (70202010021), we get a palindrome (82203030228).

The spelling of 12001020207 in words is "twelve billion, one million, twenty thousand, two hundred seven".