12011210212001 has 32 divisors (see below), whose sum is σ = 16242960921600. Its totient is φ = 8577277634880.

The previous prime is 12011210211997. The next prime is 12011210212019. The reversal of 12011210212001 is 10021201211021.

It is a cyclic number.

It is not a de Polignac number, because 12011210212001 - 2² = 12011210211997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12011210212061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43023491 + ... + 43301768.

It is an arithmetic number, because the mean of its divisors is an integer number (507592528800).

Almost surely, 2^{12011210212001} is an apocalyptic number.

12011210212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12011210212001 is a deficient number, since it is larger than the sum of its proper divisors (4231750709599).

12011210212001 is a wasteful number, since it uses less digits than its factorization.

12011210212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86325429.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12011210212001 its reverse (10021201211021), we get a palindrome (22032411423022).

The spelling of 12011210212001 in words is "twelve trillion, eleven billion, two hundred ten million, two hundred twelve thousand, one".