42012133412 has 12 divisors (see below), whose sum is σ = 73525183116. Its totient is φ = 21004938240.

The previous prime is 42012133411. The next prime is 42012133447. The reversal of 42012133412 is 21433121024.

It can be written as a sum of positive squares in 2 ways, for example, as 11336712676 + 30675420736 = 106474^2 + 175144^2 .

It is not an unprimeable number, because it can be changed into a prime (42012133411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195389 + ... + 349572.

It is an arithmetic number, because the mean of its divisors is an integer number (6127098593).

Almost surely, 2^42012133412 is an apocalyptic number.

It is an amenable number.

42012133412 is a deficient number, since it is larger than the sum of its proper divisors (31513049704).

42012133412 is a wasteful number, since it uses less digits than its factorization.

42012133412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564238 (or 564236 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42012133412 its reverse (21433121024), we get a palindrome (63445254436).

The spelling of 42012133412 in words is "forty-two billion, twelve million, one hundred thirty-three thousand, four hundred twelve".