4012122121041 has 4 divisors (see below), whose sum is σ = 5349496161392. Its totient is φ = 2674748080692.

The previous prime is 4012122121027. The next prime is 4012122121043. The reversal of 4012122121041 is 1401212212104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4012122121041 - 2²⁵ = 4012088566609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4012122120999 and 4012122121017.

It is not an unprimeable number, because it can be changed into a prime (4012122121043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668687020171 + ... + 668687020176.

It is an arithmetic number, because the mean of its divisors is an integer number (1337374040348).

Almost surely, 2^{4012122121041} is an apocalyptic number.

It is an amenable number.

4012122121041 is a deficient number, since it is larger than the sum of its proper divisors (1337374040351).

4012122121041 is a wasteful number, since it uses less digits than its factorization.

4012122121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337374040350.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 4012122121041 its reverse (1401212212104), we get a palindrome (5413334333145).

The spelling of 4012122121041 in words is "four trillion, twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, forty-one".