203132020312 has 64 divisors (see below), whose sum is σ = 411993540000. Its totient is φ = 93337144320.

The previous prime is 203132020309. The next prime is 203132020369. The reversal of 203132020312 is 213020231302.

It is a self number, because there is not a number n which added to its sum of digits gives 203132020312.

It is a congruent number.

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, 43804458 + ... + 43809094.

Almost surely, 2^203132020312 is an apocalyptic number.

It is an amenable number.

203132020312 is an abundant number, since it is smaller than the sum of its proper divisors (208861519688).

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

203132020312 is a wasteful number, since it uses less digits than its factorization.

203132020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203132020312 its reverse (213020231302), we get a palindrome (416152251614).

The spelling of 203132020312 in words is "two hundred three billion, one hundred thirty-two million, twenty thousand, three hundred twelve".