42424013131212 has 48 divisors (see below), whose sum is σ = 99879848312832. Its totient is φ = 14014161934080.

The previous prime is 42424013131207. The next prime is 42424013131289. The reversal of 42424013131212 is 21213131042424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42424013131212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7107813 + ... + 11634819.

It is an arithmetic number, because the mean of its divisors is an integer number (2080830173184).

Almost surely, 2^{42424013131212} is an apocalyptic number.

It is an amenable number.

42424013131212 is an abundant number, since it is smaller than the sum of its proper divisors (57455835181620).

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

42424013131212 is a wasteful number, since it uses less digits than its factorization.

42424013131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534038 (or 4534036 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 42424013131212 its reverse (21213131042424), we get a palindrome (63637144173636).

The spelling of 42424013131212 in words is "forty-two trillion, four hundred twenty-four billion, thirteen million, one hundred thirty-one thousand, two hundred twelve".