12101043340434 has 16 divisors (see below), whose sum is σ = 24474020240160. Its totient is φ = 3988358853600.

The previous prime is 12101043340409. The next prime is 12101043340439. The reversal of 12101043340434 is 43404334010121.

It is a super-2 number, since 2×12101043340434² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12101043340439) 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, 11330564392 + ... + 11330565459.

It is an arithmetic number, because the mean of its divisors is an integer number (1529626265010).

Almost surely, 2^{12101043340434} is an apocalyptic number.

12101043340434 is an abundant number, since it is smaller than the sum of its proper divisors (12372976899726).

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

12101043340434 is a wasteful number, since it uses less digits than its factorization.

12101043340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661129945.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 12101043340434 its reverse (43404334010121), we get a palindrome (55505377350555).

The spelling of 12101043340434 in words is "twelve trillion, one hundred one billion, forty-three million, three hundred forty thousand, four hundred thirty-four".