4012223212001 has 4 divisors (see below), whose sum is σ = 4015976462100. Its totient is φ = 4008469961904.

The previous prime is 4012223211991. The next prime is 4012223212007. The reversal of 4012223212001 is 1002123222104.

4012223212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 949026672400 + 3063196539601 = 974180^2 + 1750199^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012223212001 - 2³⁰ = 4011149470177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012223212007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876623446 + ... + 1876625583.

It is an arithmetic number, because the mean of its divisors is an integer number (1003994115525).

Almost surely, 2^{4012223212001} is an apocalyptic number.

It is an amenable number.

4012223212001 is a deficient number, since it is larger than the sum of its proper divisors (3753250099).

4012223212001 is a wasteful number, since it uses less digits than its factorization.

4012223212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753250098.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4012223212001 its reverse (1002123222104), we get a palindrome (5014346434105).

It can be divided in two parts, 4012223 and 212001, that added together give a palindrome (4224224).

The spelling of 4012223212001 in words is "four trillion, twelve billion, two hundred twenty-three million, two hundred twelve thousand, one".