4001333208412 has 24 divisors (see below), whose sum is σ = 7061102729856. Its totient is φ = 1983945105408.

The previous prime is 4001333208319. The next prime is 4001333208437. The reversal of 4001333208412 is 2148023331004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8497993 + ... + 8956480.

It is an arithmetic number, because the mean of its divisors is an integer number (294212613744).

Almost surely, 2^{4001333208412} is an apocalyptic number.

It is an amenable number.

4001333208412 is a deficient number, since it is larger than the sum of its proper divisors (3059769521444).

4001333208412 is a wasteful number, since it uses less digits than its factorization.

4001333208412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17454957 (or 17454955 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 4001333208412 its reverse (2148023331004), we get a palindrome (6149356539416).

The spelling of 4001333208412 in words is "four trillion, one billion, three hundred thirty-three million, two hundred eight thousand, four hundred twelve".