203442222412 has 24 divisors (see below), whose sum is σ = 418265829072. Its totient is φ = 85360372800.

The previous prime is 203442222409. The next prime is 203442222419. The reversal of 203442222412 is 214222244302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203442222419) 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, 177833539 + ... + 177834682.

It is an arithmetic number, because the mean of its divisors is an integer number (17427742878).

Almost surely, 2^203442222412 is an apocalyptic number.

203442222412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203442222412 is an abundant number, since it is smaller than the sum of its proper divisors (214823606660).

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

203442222412 is a wasteful number, since it uses less digits than its factorization.

203442222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355668249 (or 355668247 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 203442222412 its reverse (214222244302), we get a palindrome (417664466714).

The spelling of 203442222412 in words is "two hundred three billion, four hundred forty-two million, two hundred twenty-two thousand, four hundred twelve".