12101211212201 has 16 divisors (see below), whose sum is σ = 12394924010496. Its totient is φ = 11809033068096.

The previous prime is 12101211212179. The next prime is 12101211212239. The reversal of 12101211212201 is 10221211210121.

It is a cyclic number.

It is not a de Polignac number, because 12101211212201 - 2²² = 12101207017897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12101211212201.

It is not an unprimeable number, because it can be changed into a prime (12101211242201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45526055 + ... + 45791091.

It is an arithmetic number, because the mean of its divisors is an integer number (774682750656).

Almost surely, 2^{12101211212201} is an apocalyptic number.

It is an amenable number.

12101211212201 is a deficient number, since it is larger than the sum of its proper divisors (293712798295).

12101211212201 is a wasteful number, since it uses less digits than its factorization.

12101211212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267928.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12101211212201 its reverse (10221211210121), we get a palindrome (22322422422322).

The spelling of 12101211212201 in words is "twelve trillion, one hundred one billion, two hundred eleven million, two hundred twelve thousand, two hundred one".