3582381121212 has 24 divisors (see below), whose sum is σ = 8441650565712. Its totient is φ = 1182304000000.

The previous prime is 3582381121157. The next prime is 3582381121213. The reversal of 3582381121212 is 2121211832853.

It is a super-2 number, since 2×3582381121212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3582381121213) 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, 1477878789 + ... + 1477881212.

It is an arithmetic number, because the mean of its divisors is an integer number (351735440238).

Almost surely, 2^{3582381121212} is an apocalyptic number.

It is an amenable number.

3582381121212 is an abundant number, since it is smaller than the sum of its proper divisors (4859269444500).

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

3582381121212 is a wasteful number, since it uses less digits than its factorization.

3582381121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955760109 (or 2955760107 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The spelling of 3582381121212 in words is "three trillion, five hundred eighty-two billion, three hundred eighty-one million, one hundred twenty-one thousand, two hundred twelve".