2212412142121 has 4 divisors (see below), whose sum is σ = 2342554032852. Its totient is φ = 2082270251392.

The previous prime is 2212412142077. The next prime is 2212412142173. The reversal of 2212412142121 is 1212412142122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 758431974400 + 1453980167721 = 870880^2 + 1205811^2 .

It is not a de Polignac number, because 2212412142121 - 2¹⁷ = 2212412011049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212412146121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65070945340 + ... + 65070945373.

It is an arithmetic number, because the mean of its divisors is an integer number (585638508213).

Almost surely, 2^{2212412142121} is an apocalyptic number.

It is an amenable number.

2212412142121 is a deficient number, since it is larger than the sum of its proper divisors (130141890731).

2212412142121 is a wasteful number, since it uses less digits than its factorization.

2212412142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130141890730.

The product of its digits is 1024, while the sum is 25.

Adding to 2212412142121 its reverse (1212412142122), we get a palindrome (3424824284243).

Subtracting from 2212412142121 its reverse (1212412142122), we obtain a palindrome (999999999999).

The spelling of 2212412142121 in words is "two trillion, two hundred twelve billion, four hundred twelve million, one hundred forty-two thousand, one hundred twenty-one".