12001011001211 has 8 divisors (see below), whose sum is σ = 12450616611120. Its totient is φ = 11553790567648.

The previous prime is 12001011001181. The next prime is 12001011001223. The reversal of 12001011001211 is 11210011010021.

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-12001011001211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001011001192 and 12001011001201.

It is not an unprimeable number, because it can be changed into a prime (12001011001711) 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, 596283836 + ... + 596303961.

It is an arithmetic number, because the mean of its divisors is an integer number (1556327076390).

Almost surely, 2^{12001011001211} is an apocalyptic number.

12001011001211 is a deficient number, since it is larger than the sum of its proper divisors (449605609909).

12001011001211 is a wasteful number, since it uses less digits than its factorization.

12001011001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192588173.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001011001211 its reverse (11210011010021), we get a palindrome (23211022011232).

The spelling of 12001011001211 in words is "twelve trillion, one billion, eleven million, one thousand, two hundred eleven".