4431121020112 has 40 divisors (see below), whose sum is σ = 8618016659400. Its totient is φ = 2207118262272.

The previous prime is 4431121020091. The next prime is 4431121020113. The reversal of 4431121020112 is 2110201211344.

It can be written as a sum of positive squares in 4 ways, for example, as 1547794762816 + 2883326257296 = 1244104^2 + 1698036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431121020113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52849968 + ... + 52933744.

It is an arithmetic number, because the mean of its divisors is an integer number (215450416485).

Almost surely, 2^{4431121020112} is an apocalyptic number.

It is an amenable number.

4431121020112 is a deficient number, since it is larger than the sum of its proper divisors (4186895639288).

4431121020112 is a wasteful number, since it uses less digits than its factorization.

4431121020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96343 (or 96337 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 4431121020112 its reverse (2110201211344), we get a palindrome (6541322231456).

The spelling of 4431121020112 in words is "four trillion, four hundred thirty-one billion, one hundred twenty-one million, twenty thousand, one hundred twelve".