4000011234012 has 72 divisors (see below), whose sum is σ = 10442255695872. Its totient is φ = 1289714205600.

The previous prime is 4000011233963. The next prime is 4000011234017. The reversal of 4000011234012 is 2104321100004.

It is a super-2 number, since 2×4000011234012² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000011234017) 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, 1506933 + ... + 3204819.

Almost surely, 2^{4000011234012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4000011234012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5221127847936).

4000011234012 is an abundant number, since it is smaller than the sum of its proper divisors (6442244461860).

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

4000011234012 is a wasteful number, since it uses less digits than its factorization.

4000011234012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700039 (or 1700034 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 4000011234012 its reverse (2104321100004), we get a palindrome (6104332334016).

The spelling of 4000011234012 in words is "four trillion, eleven million, two hundred thirty-four thousand, twelve".