12010122222221 has 8 divisors (see below), whose sum is σ = 12480750528000. Its totient is φ = 11544694229520.

The previous prime is 12010122222179. The next prime is 12010122222253. The reversal of 12010122222221 is 12222222101021.

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-12010122222221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010122222193 and 12010122222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010122522221) 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, 1300073561 + ... + 1300082798.

It is an arithmetic number, because the mean of its divisors is an integer number (1560093816000).

Almost surely, 2^{12010122222221} is an apocalyptic number.

It is an amenable number.

12010122222221 is a deficient number, since it is larger than the sum of its proper divisors (470628305779).

12010122222221 is a wasteful number, since it uses less digits than its factorization.

12010122222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600156539.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12010122222221 its reverse (12222222101021), we get a palindrome (24232344323242).

The spelling of 12010122222221 in words is "twelve trillion, ten billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".