42112132212 has 12 divisors (see below), whose sum is σ = 98261641856. Its totient is φ = 14037377400.

The previous prime is 42112132189. The next prime is 42112132213. The reversal of 42112132212 is 21223121124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112132213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754672164 + ... + 1754672187.

Almost surely, 2^42112132212 is an apocalyptic number.

It is an amenable number.

42112132212 is an abundant number, since it is smaller than the sum of its proper divisors (56149509644).

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

42112132212 is a wasteful number, since it uses less digits than its factorization.

42112132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509344358 (or 3509344356 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

Adding to 42112132212 its reverse (21223121124), we get a palindrome (63335253336).

The spelling of 42112132212 in words is "forty-two billion, one hundred twelve million, one hundred thirty-two thousand, two hundred twelve".