4011020012 has 12 divisors (see below), whose sum is σ = 7023741480. Its totient is φ = 2004236736.

The previous prime is 4011020011. The next prime is 4011020059. The reversal of 4011020012 is 2100201104.

It is a junction number, because it is equal to n+sod(n) for n = 4011019975 and 4011020002.

It is not an unprimeable number, because it can be changed into a prime (4011020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311213 + ... + 323844.

It is an arithmetic number, because the mean of its divisors is an integer number (585311790).

Almost surely, 2^4011020012 is an apocalyptic number.

It is an amenable number.

4011020012 is a deficient number, since it is larger than the sum of its proper divisors (3012721468).

4011020012 is a wasteful number, since it uses less digits than its factorization.

4011020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636640 (or 636638 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 4011020012 is about 63332.6141257409. The cubic root of 4011020012 is about 1588.8574801847.

Adding to 4011020012 its reverse (2100201104), we get a palindrome (6111221116).

The spelling of 4011020012 in words is "four billion, eleven million, twenty thousand, twelve".