4012321133 has 4 divisors (see below), whose sum is σ = 4015719708. Its totient is φ = 4008922560.

The previous prime is 4012321127. The next prime is 4012321151. The reversal of 4012321133 is 3311232104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1983989764 + 2028331369 = 44542^2 + 45037^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012321133 - 2⁶ = 4012321069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012321153) 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, 1697516 + ... + 1699877.

It is an arithmetic number, because the mean of its divisors is an integer number (1003929927).

Almost surely, 2^4012321133 is an apocalyptic number.

It is an amenable number.

4012321133 is a deficient number, since it is larger than the sum of its proper divisors (3398575).

4012321133 is a wasteful number, since it uses less digits than its factorization.

4012321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398574.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4012321133 is about 63342.8854173853. The cubic root of 4012321133 is about 1589.0292629509.

Adding to 4012321133 its reverse (3311232104), we get a palindrome (7323553237).

The spelling of 4012321133 in words is "four billion, twelve million, three hundred twenty-one thousand, one hundred thirty-three".