4078201212 has 36 divisors (see below), whose sum is σ = 10664264520. Its totient is φ = 1312524192.

The previous prime is 4078201207. The next prime is 4078201219. The reversal of 4078201212 is 2121028704.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078201219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1952118 + ... + 1954205.

It is an arithmetic number, because the mean of its divisors is an integer number (296229570).

Almost surely, 2^4078201212 is an apocalyptic number.

It is an amenable number.

4078201212 is an abundant number, since it is smaller than the sum of its proper divisors (6586063308).

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

4078201212 is a wasteful number, since it uses less digits than its factorization.

4078201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906362 (or 3906357 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 4078201212 is about 63860.7955791345. The cubic root of 4078201212 is about 1597.6790844514.

Adding to 4078201212 its reverse (2121028704), we get a palindrome (6199229916).

The spelling of 4078201212 in words is "four billion, seventy-eight million, two hundred one thousand, two hundred twelve".