12040024134 has 16 divisors (see below), whose sum is σ = 24910395120. Its totient is φ = 3874950240.

The previous prime is 12040024127. The next prime is 12040024159. The reversal of 12040024134 is 43142004021.

It is a super-2 number, since 2×12040024134² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12040024134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34597597 + ... + 34597944.

It is an arithmetic number, because the mean of its divisors is an integer number (1556899695).

Almost surely, 2^12040024134 is an apocalyptic number.

12040024134 is an abundant number, since it is smaller than the sum of its proper divisors (12870370986).

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

12040024134 is a wasteful number, since it uses less digits than its factorization.

12040024134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69195575.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12040024134 its reverse (43142004021), we get a palindrome (55182028155).

The spelling of 12040024134 in words is "twelve billion, forty million, twenty-four thousand, one hundred thirty-four".