12122000000001 has 16 divisors (see below), whose sum is σ = 17964591859200. Its totient is φ = 8078600330064.

The previous prime is 12121999999973. The next prime is 12122000000053. The reversal of 12122000000001 is 10000000022121.

It is not a de Polignac number, because 12122000000001 - 2⁵ = 12121999999969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a self number, because there is not a number n which added to its sum of digits gives 12122000000001.

It is not an unprimeable number, because it can be changed into a prime (12122000000101) 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, 75835441 + ... + 75995118.

It is an arithmetic number, because the mean of its divisors is an integer number (1122786991200).

Almost surely, 2^{12122000000001} is an apocalyptic number.

It is an amenable number.

12122000000001 is a deficient number, since it is larger than the sum of its proper divisors (5842591859199).

12122000000001 is a wasteful number, since it uses less digits than its factorization.

12122000000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151833525 (or 151833519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12122000000001 its reverse (10000000022121), we get a palindrome (22122000022122).

The spelling of 12122000000001 in words is "twelve trillion, one hundred twenty-two billion, one", and thus it is an aban number.