12010012222001 has 4 divisors (see below), whose sum is σ = 12029995604004. Its totient is φ = 11990028840000.

The previous prime is 12010012221871. The next prime is 12010012222079. The reversal of 12010012222001 is 10022221001021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11441820395776 + 568191826225 = 3382576^2 + 753785^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010012222001 - 2¹⁸ = 12010011959857 is a prime.

It is a super-2 number, since 2×12010012222001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010012222301) 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, 9991690100 + ... + 9991691301.

It is an arithmetic number, because the mean of its divisors is an integer number (3007498901001).

Almost surely, 2^{12010012222001} is an apocalyptic number.

It is an amenable number.

12010012222001 is a deficient number, since it is larger than the sum of its proper divisors (19983382003).

12010012222001 is an equidigital number, since it uses as much as digits as its factorization.

12010012222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19983382002.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12010012222001 its reverse (10022221001021), we get a palindrome (22032233223022).

The spelling of 12010012222001 in words is "twelve trillion, ten billion, twelve million, two hundred twenty-two thousand, one".