4000311220112 has 20 divisors (see below), whose sum is σ = 7751081422476. Its totient is φ = 2000032143360.

The previous prime is 4000311220091. The next prime is 4000311220183. The reversal of 4000311220112 is 2110221130004.

It can be written as a sum of positive squares in 2 ways, for example, as 2055335118736 + 1944976101376 = 1433644^2 + 1394624^2 .

It is a super-2 number, since 2×4000311220112² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7449089 + ... + 7968032.

Almost surely, 2^{4000311220112} is an apocalyptic number.

It is an amenable number.

4000311220112 is a deficient number, since it is larger than the sum of its proper divisors (3750770202364).

4000311220112 is a wasteful number, since it uses less digits than its factorization.

4000311220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433346 (or 15433340 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 4000311220112 its reverse (2110221130004), we get a palindrome (6110532350116).

The spelling of 4000311220112 in words is "four trillion, three hundred eleven million, two hundred twenty thousand, one hundred twelve".