42212253332 has 24 divisors (see below), whose sum is σ = 74779759656. Its totient is φ = 20847884288.

The previous prime is 42212253331. The next prime is 42212253337. The reversal of 42212253332 is 23335221224.

42212253332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8457745156 + 33754508176 = 91966^2 + 183724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42212253295 and 42212253304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212253331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26933 + ... + 291804.

It is an arithmetic number, because the mean of its divisors is an integer number (3115823319).

Almost surely, 2^42212253332 is an apocalyptic number.

It is an amenable number.

42212253332 is a deficient number, since it is larger than the sum of its proper divisors (32567506324).

42212253332 is a wasteful number, since it uses less digits than its factorization.

42212253332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319147 (or 319145 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

Adding to 42212253332 its reverse (23335221224), we get a palindrome (65547474556).

The spelling of 42212253332 in words is "forty-two billion, two hundred twelve million, two hundred fifty-three thousand, three hundred thirty-two".