4012434507181 has 8 divisors (see below), whose sum is σ = 4051541546624. Its totient is φ = 3973330378800.

The previous prime is 4012434507163. The next prime is 4012434507187. The reversal of 4012434507181 is 1817054342104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4012434507181 - 2²¹ = 4012432410029 is a prime.

It is a super-2 number, since 2×4012434507181² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012434507187) 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, 2095456 + ... + 3523606.

It is an arithmetic number, because the mean of its divisors is an integer number (506442693328).

Almost surely, 2^{4012434507181} is an apocalyptic number.

It is an amenable number.

4012434507181 is a deficient number, since it is larger than the sum of its proper divisors (39107039443).

4012434507181 is a wasteful number, since it uses less digits than its factorization.

4012434507181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455531.

The product of its (nonzero) digits is 107520, while the sum is 40.

Adding to 4012434507181 its reverse (1817054342104), we get a palindrome (5829488849285).

The spelling of 4012434507181 in words is "four trillion, twelve billion, four hundred thirty-four million, five hundred seven thousand, one hundred eighty-one".