42511323212 has 24 divisors (see below), whose sum is σ = 74942709072. Its totient is φ = 21099686400.

The previous prime is 42511323203. The next prime is 42511323227. The reversal of 42511323212 is 21232311524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231287 + ... + 372177.

It is an arithmetic number, because the mean of its divisors is an integer number (3122612878).

Almost surely, 2^42511323212 is an apocalyptic number.

It is an amenable number.

42511323212 is a deficient number, since it is larger than the sum of its proper divisors (32431385860).

42511323212 is a wasteful number, since it uses less digits than its factorization.

42511323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141449 (or 141447 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

Adding to 42511323212 its reverse (21232311524), we get a palindrome (63743634736).

The spelling of 42511323212 in words is "forty-two billion, five hundred eleven million, three hundred twenty-three thousand, two hundred twelve".