203102143212 has 48 divisors (see below), whose sum is σ = 484315130880. Its totient is φ = 66215500032.

The previous prime is 203102143207. The next prime is 203102143243. The reversal of 203102143212 is 212341201302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718873 + ... + 960719.

It is an arithmetic number, because the mean of its divisors is an integer number (10089898560).

Almost surely, 2^203102143212 is an apocalyptic number.

It is an amenable number.

203102143212 is an abundant number, since it is smaller than the sum of its proper divisors (281212987668).

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

203102143212 is a wasteful number, since it uses less digits than its factorization.

203102143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243390 (or 243388 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203102143212 its reverse (212341201302), we get a palindrome (415443344514).

The spelling of 203102143212 in words is "two hundred three billion, one hundred two million, one hundred forty-three thousand, two hundred twelve".