12010111212001 has 48 divisors (see below), whose sum is σ = 14374986506496. Its totient is φ = 9999364564224.

The previous prime is 12010111211993. The next prime is 12010111212007. The reversal of 12010111212001 is 10021211101021.

It is a happy number.

12010111212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12010111212001 - 2³ = 12010111211993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12010111212007) 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, 1148518365 + ... + 1148528821.

It is an arithmetic number, because the mean of its divisors is an integer number (299478885552).

Almost surely, 2^{12010111212001} is an apocalyptic number.

It is an amenable number.

12010111212001 is a deficient number, since it is larger than the sum of its proper divisors (2364875294495).

12010111212001 is a wasteful number, since it uses less digits than its factorization.

12010111212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478 (or 13471 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12010111212001 its reverse (10021211101021), we get a palindrome (22031322313022).

The spelling of 12010111212001 in words is "twelve trillion, ten billion, one hundred eleven million, two hundred twelve thousand, one".