4021002001204 has 6 divisors (see below), whose sum is σ = 7036753502114. Its totient is φ = 2010501000600.

The previous prime is 4021002001139. The next prime is 4021002001207.

4021002001204 is nontrivially palindromic in base 10.

4021002001204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2013390723600 + 2007611277604 = 1418940^2 + 1416902^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021002001207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502625250147 + ... + 502625250154.

Almost surely, 2^{4021002001204} is an apocalyptic number.

It is an amenable number.

4021002001204 is a deficient number, since it is larger than the sum of its proper divisors (3015751500910).

4021002001204 is a wasteful number, since it uses less digits than its factorization.

4021002001204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005250500305 (or 1005250500303 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 4021002001204 in words is "four trillion, twenty-one billion, two million, one thousand, two hundred four".