4001212312211 has 8 divisors (see below), whose sum is σ = 4132310472720. Its totient is φ = 3871322430048.

The previous prime is 4001212312199. The next prime is 4001212312291. The reversal of 4001212312211 is 1122132121004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001212312211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001212312291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302062856 + ... + 302076101.

It is an arithmetic number, because the mean of its divisors is an integer number (516538809090).

Almost surely, 2^{4001212312211} is an apocalyptic number.

4001212312211 is a deficient number, since it is larger than the sum of its proper divisors (131098160509).

4001212312211 is a wasteful number, since it uses less digits than its factorization.

4001212312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604139173.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 4001212312211 its reverse (1122132121004), we get a palindrome (5123344433215).

The spelling of 4001212312211 in words is "four trillion, one billion, two hundred twelve million, three hundred twelve thousand, two hundred eleven".