12010212001 has 4 divisors (see below), whose sum is σ = 12020331312. Its totient is φ = 12000092692.

The previous prime is 12010211957. The next prime is 12010212023. The reversal of 12010212001 is 10021201021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12010212001 - 2⁹ = 12010211489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010212031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057875 + ... + 5060248.

It is an arithmetic number, because the mean of its divisors is an integer number (3005082828).

Almost surely, 2^12010212001 is an apocalyptic number.

It is an amenable number.

12010212001 is a deficient number, since it is larger than the sum of its proper divisors (10119311).

12010212001 is a wasteful number, since it uses less digits than its factorization.

12010212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119310.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12010212001 its reverse (10021201021), we get a palindrome (22031413022).

The spelling of 12010212001 in words is "twelve billion, ten million, two hundred twelve thousand, one".