12011222212001 has 8 divisors (see below), whose sum is σ = 12180628199808. Its totient is φ = 11841822720000.

The previous prime is 12011222211959. The next prime is 12011222212007. The reversal of 12011222212001 is 10021222211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011222212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011222212007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162081 + ... + 5356961.

It is an arithmetic number, because the mean of its divisors is an integer number (1522578524976).

Almost surely, 2^{12011222212001} is an apocalyptic number.

It is an amenable number.

12011222212001 is a deficient number, since it is larger than the sum of its proper divisors (169405987807).

12011222212001 is an equidigital number, since it uses as much as digits as its factorization.

12011222212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247903.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12011222212001 its reverse (10021222211021), we get a palindrome (22032444423022).

The spelling of 12011222212001 in words is "twelve trillion, eleven billion, two hundred twenty-two million, two hundred twelve thousand, one".