12010212001211 has 16 divisors (see below), whose sum is σ = 12211316490240. Its totient is φ = 11810830744800.

The previous prime is 12010212001157. The next prime is 12010212001213. The reversal of 12010212001211 is 11210021201021.

It is a cyclic number.

It is not a de Polignac number, because 12010212001211 - 2¹⁰ = 12010212000187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010212001213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21294530 + ... + 21851256.

It is an arithmetic number, because the mean of its divisors is an integer number (763207280640).

Almost surely, 2^{12010212001211} is an apocalyptic number.

12010212001211 is a deficient number, since it is larger than the sum of its proper divisors (201104489029).

12010212001211 is a wasteful number, since it uses less digits than its factorization.

12010212001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558274.

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

Adding to 12010212001211 its reverse (11210021201021), we get a palindrome (23220233202232).

The spelling of 12010212001211 in words is "twelve trillion, ten billion, two hundred twelve million, one thousand, two hundred eleven".