4120404012 has 48 divisors (see below), whose sum is σ = 10686860800. Its totient is φ = 1372911120.

The previous prime is 4120403983. The next prime is 4120404017. The reversal of 4120404012 is 2104040214.

It is a super-2 number, since 2×4120404012² = 33955458444211392288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (4120404017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326337 + ... + 338727.

Almost surely, 2^4120404012 is an apocalyptic number.

It is an amenable number.

4120404012 is an abundant number, since it is smaller than the sum of its proper divisors (6566456788).

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

4120404012 is a wasteful number, since it uses less digits than its factorization.

4120404012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483 (or 15475 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4120404012 is about 64190.3732034641. The cubic root of 4120404012 is about 1603.1713157988.

Adding to 4120404012 its reverse (2104040214), we get a palindrome (6224444226).

The spelling of 4120404012 in words is "four billion, one hundred twenty million, four hundred four thousand, twelve".