20122042431123 has 24 divisors (see below), whose sum is σ = 29072362005648. Its totient is φ = 13411377188352.

The previous prime is 20122042431119. The next prime is 20122042431131. The reversal of 20122042431123 is 32113424022102.

20122042431123 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 204 + 2 + 431 + 1 + 23 = 666.

It is not a de Polignac number, because 20122042431123 - 2² = 20122042431119 is a prime.

It is a super-2 number, since 2×20122042431123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122042436123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877262911 + ... + 877285847.

It is an arithmetic number, because the mean of its divisors is an integer number (1211348416902).

Almost surely, 2^{20122042431123} is an apocalyptic number.

20122042431123 is a deficient number, since it is larger than the sum of its proper divisors (8950319574525).

20122042431123 is a wasteful number, since it uses less digits than its factorization.

20122042431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42803 (or 42800 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20122042431123 its reverse (32113424022102), we get a palindrome (52235466453225).

The spelling of 20122042431123 in words is "twenty trillion, one hundred twenty-two billion, forty-two million, four hundred thirty-one thousand, one hundred twenty-three".