203425442212 has 12 divisors (see below), whose sum is σ = 371472546816. Its totient is φ = 97290428840.

The previous prime is 203425442141. The next prime is 203425442219. The reversal of 203425442212 is 212244524302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203425442219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105572964 + ... + 1105573147.

It is an arithmetic number, because the mean of its divisors is an integer number (30956045568).

Almost surely, 2^203425442212 is an apocalyptic number.

It is an amenable number.

203425442212 is a deficient number, since it is larger than the sum of its proper divisors (168047104604).

203425442212 is a wasteful number, since it uses less digits than its factorization.

203425442212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211146138 (or 2211146136 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 203425442212 its reverse (212244524302), we get a palindrome (415669966514).

The spelling of 203425442212 in words is "two hundred three billion, four hundred twenty-five million, four hundred forty-two thousand, two hundred twelve".