12040042113220 has 96 divisors (see below), whose sum is σ = 27617875084800. Its totient is φ = 4372607385600.

The previous prime is 12040042113167. The next prime is 12040042113227. The reversal of 12040042113220 is 2231124004021.

It is a super-2 number, since 2×12040042113220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12040042113191 and 12040042113200.

It is not an unprimeable number, because it can be changed into a prime (12040042113227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980373480 + ... + 980385760.

It is an arithmetic number, because the mean of its divisors is an integer number (287686198800).

Almost surely, 2^{12040042113220} is an apocalyptic number.

12040042113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040042113220 is an abundant number, since it is smaller than the sum of its proper divisors (15577832971580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12040042113220 is a wasteful number, since it uses less digits than its factorization.

12040042113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17629 (or 17627 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12040042113220 its reverse (2231124004021), we get a palindrome (14271166117241).

The spelling of 12040042113220 in words is "twelve trillion, forty billion, forty-two million, one hundred thirteen thousand, two hundred twenty".