212123431121341 has 8 divisors (see below), whose sum is σ = 214069902721400. Its totient is φ = 210176966522880.

The previous prime is 212123431121269. The next prime is 212123431121383. The reversal of 212123431121341 is 143121134321212.

It can be written as a sum of positive squares in 4 ways, for example, as 74929296381241 + 137194134740100 = 8656171^2 + 11712990^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212123431121341 - 2¹¹ = 212123431119293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212123431821341) 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, 74151661 + ... + 76959181.

It is an arithmetic number, because the mean of its divisors is an integer number (26758737840175).

Almost surely, 2^{212123431121341} is an apocalyptic number.

It is an amenable number.

212123431121341 is a deficient number, since it is larger than the sum of its proper divisors (1946471600059).

212123431121341 is a wasteful number, since it uses less digits than its factorization.

212123431121341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500799.

The product of its digits is 6912, while the sum is 31.

Adding to 212123431121341 its reverse (143121134321212), we get a palindrome (355244565442553).

The spelling of 212123431121341 in words is "two hundred twelve trillion, one hundred twenty-three billion, four hundred thirty-one million, one hundred twenty-one thousand, three hundred forty-one".