42831277212 has 48 divisors (see below), whose sum is σ = 109773538560. Its totient is φ = 12937592448.

The previous prime is 42831277207. The next prime is 42831277217. The reversal of 42831277212 is 21277213824.

It is an interprime number because it is at equal distance from previous prime (42831277207) and next prime (42831277217).

It is a super-2 number, since 2×42831277212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42831277217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4078593 + ... + 4089080.

It is an arithmetic number, because the mean of its divisors is an integer number (2286948720).

Almost surely, 2^42831277212 is an apocalyptic number.

It is an amenable number.

42831277212 is an abundant number, since it is smaller than the sum of its proper divisors (66942261348).

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

42831277212 is a wasteful number, since it uses less digits than its factorization.

42831277212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167722 (or 8167720 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The spelling of 42831277212 in words is "forty-two billion, eight hundred thirty-one million, two hundred seventy-seven thousand, two hundred twelve".