42143302131212 has 6 divisors (see below), whose sum is σ = 73750778729628. Its totient is φ = 21071651065604.

The previous prime is 42143302131173. The next prime is 42143302131223. The reversal of 42143302131212 is 21213120334124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267912766398 + ... + 5267912766405.

It is an arithmetic number, because the mean of its divisors is an integer number (12291796454938).

Almost surely, 2^{42143302131212} is an apocalyptic number.

It is an amenable number.

42143302131212 is a deficient number, since it is larger than the sum of its proper divisors (31607476598416).

42143302131212 is a wasteful number, since it uses less digits than its factorization.

42143302131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535825532807 (or 10535825532805 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 42143302131212 its reverse (21213120334124), we get a palindrome (63356422465336).

The spelling of 42143302131212 in words is "forty-two trillion, one hundred forty-three billion, three hundred two million, one hundred thirty-one thousand, two hundred twelve".