42322144212 has 54 divisors (see below), whose sum is σ = 108030684762. Its totient is φ = 13970290464.

The previous prime is 42322144211. The next prime is 42322144243. The reversal of 42322144212 is 21244122324.

It is a happy number.

42322144212 is a `hidden beast` number, since 4 + 23 + 2 + 214 + 421 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32787793476 + 9534350736 = 181074^2 + 97644^2 .

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 (42322144211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 326518 + ... + 437330.

Almost surely, 2^42322144212 is an apocalyptic number.

It is an amenable number.

42322144212 is an abundant number, since it is smaller than the sum of its proper divisors (65708540550).

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

42322144212 is a wasteful number, since it uses less digits than its factorization.

42322144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111029 (or 110921 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 42322144212 its reverse (21244122324), we get a palindrome (63566266536).

The spelling of 42322144212 in words is "forty-two billion, three hundred twenty-two million, one hundred forty-four thousand, two hundred twelve".