442102220412 has 24 divisors (see below), whose sum is σ = 1031704437456. Its totient is φ = 147348465408.

The previous prime is 442102220389. The next prime is 442102220429. The reversal of 442102220412 is 214022201244.

It is a happy number.

It is a congruent number.

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, 2270263 + ... + 2457294.

It is an arithmetic number, because the mean of its divisors is an integer number (42987684894).

Almost surely, 2^442102220412 is an apocalyptic number.

It is an amenable number.

442102220412 is an abundant number, since it is smaller than the sum of its proper divisors (589602217044).

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

442102220412 is a wasteful number, since it uses less digits than its factorization.

442102220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735357 (or 4735355 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 442102220412 its reverse (214022201244), we get a palindrome (656124421656).

It can be divided in two parts, 44210 and 2220412, that added together give a palindrome (2264622).

The spelling of 442102220412 in words is "four hundred forty-two billion, one hundred two million, two hundred twenty thousand, four hundred twelve".