42221203132012 has 24 divisors (see below), whose sum is σ = 79305096303216. Its totient is φ = 19596626108928.

The previous prime is 42221203132007. The next prime is 42221203132057. The reversal of 42221203132012 is 21023130212224.

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, 4252735078 + ... + 4252745005.

It is an arithmetic number, because the mean of its divisors is an integer number (3304379012634).

Almost surely, 2^{42221203132012} is an apocalyptic number.

It is an amenable number.

42221203132012 is a deficient number, since it is larger than the sum of its proper divisors (37083893171204).

42221203132012 is a wasteful number, since it uses less digits than its factorization.

42221203132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505480177 (or 8505480175 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42221203132012 its reverse (21023130212224), we get a palindrome (63244333344236).

The spelling of 42221203132012 in words is "forty-two trillion, two hundred twenty-one billion, two hundred three million, one hundred thirty-two thousand, twelve".