42140140212 has 24 divisors (see below), whose sum is σ = 98349652576. Its totient is φ = 14043476448.

The previous prime is 42140140201. The next prime is 42140140267. The reversal of 42140140212 is 21204104124.

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, 350083 + ... + 454794.

Almost surely, 2^42140140212 is an apocalyptic number.

It is an amenable number.

42140140212 is an abundant number, since it is smaller than the sum of its proper divisors (56209512364).

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

42140140212 is a wasteful number, since it uses less digits than its factorization.

42140140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809247 (or 809245 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 42140140212 its reverse (21204104124), we get a palindrome (63344244336).

The spelling of 42140140212 in words is "forty-two billion, one hundred forty million, one hundred forty thousand, two hundred twelve".