4405052131212 has 24 divisors (see below), whose sum is σ = 10279087287616. Its totient is φ = 1468260379728.

The previous prime is 4405052131159. The next prime is 4405052131213. The reversal of 4405052131212 is 2121312505044.

It is a self number, because there is not a number n which added to its sum of digits gives 4405052131212.

It is not an unprimeable number, because it can be changed into a prime (4405052131213) 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, 11087998 + ... + 11478405.

Almost surely, 2^{4405052131212} is an apocalyptic number.

It is an amenable number.

4405052131212 is an abundant number, since it is smaller than the sum of its proper divisors (5874035156404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4405052131212 is a wasteful number, since it uses less digits than its factorization.

4405052131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22582677 (or 22582675 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 4405052131212 its reverse (2121312505044), we get a palindrome (6526364636256).

The spelling of 4405052131212 in words is "four trillion, four hundred five billion, fifty-two million, one hundred thirty-one thousand, two hundred twelve".