4012122121043 has 2 divisors, whose sum is σ = 4012122121044. Its totient is φ = 4012122121042.

The previous prime is 4012122121027. The next prime is 4012122121057. The reversal of 4012122121043 is 3401212212104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4012122121043 - 2⁴ = 4012122121027 is a prime.

It is a super-2 number, since 2×4012122121043² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4012122121093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006061060521 + 2006061060522.

It is an arithmetic number, because the mean of its divisors is an integer number (2006061060522).

Almost surely, 2^{4012122121043} is an apocalyptic number.

4012122121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012122121043 is an equidigital number, since it uses as much as digits as its factorization.

4012122121043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4012122121043 its reverse (3401212212104), we get a palindrome (7413334333147).

The spelling of 4012122121043 in words is "four trillion, twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, forty-three".