42243313212 has 24 divisors (see below), whose sum is σ = 109519701200. Its totient is φ = 14081104368.

The previous prime is 42243313183. The next prime is 42243313267. The reversal of 42243313212 is 21231334224.

42243313212 is a `hidden beast` number, since 4 + 2 + 2 + 4 + 331 + 321 + 2 = 666.

It is a super-2 number, since 2×42243313212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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, 195570787 + ... + 195571002.

Almost surely, 2^42243313212 is an apocalyptic number.

It is an amenable number.

42243313212 is an abundant number, since it is smaller than the sum of its proper divisors (67276387988).

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

42243313212 is a wasteful number, since it uses less digits than its factorization.

42243313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391141802 (or 391141794 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 42243313212 its reverse (21231334224), we get a palindrome (63474647436).

The spelling of 42243313212 in words is "forty-two billion, two hundred forty-three million, three hundred thirteen thousand, two hundred twelve".