42432563215212 has 12 divisors (see below), whose sum is σ = 99009314168856. Its totient is φ = 14144187738400.

The previous prime is 42432563215201. The next prime is 42432563215213. The reversal of 42432563215212 is 21251236523424.

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

It is not an unprimeable number, because it can be changed into a prime (42432563215213) 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, 1768023467289 + ... + 1768023467312.

It is an arithmetic number, because the mean of its divisors is an integer number (8250776180738).

Almost surely, 2^{42432563215212} is an apocalyptic number.

It is an amenable number.

42432563215212 is an abundant number, since it is smaller than the sum of its proper divisors (56576750953644).

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

42432563215212 is a wasteful number, since it uses less digits than its factorization.

42432563215212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536046934608 (or 3536046934606 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

Adding to 42432563215212 its reverse (21251236523424), we get a palindrome (63683799738636).

The spelling of 42432563215212 in words is "forty-two trillion, four hundred thirty-two billion, five hundred sixty-three million, two hundred fifteen thousand, two hundred twelve".