203252131531212 has 24 divisors (see below), whose sum is σ = 474278351425536. Its totient is φ = 67747370817168.

The previous prime is 203252131531133. The next prime is 203252131531219. The reversal of 203252131531212 is 212135131252302.

203252131531212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203252131531212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203252131531219) 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, 417208068 + ... + 417694955.

It is an arithmetic number, because the mean of its divisors is an integer number (19761597976064).

Almost surely, 2^{203252131531212} is an apocalyptic number.

It is an amenable number.

203252131531212 is an abundant number, since it is smaller than the sum of its proper divisors (271026219894324).

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

203252131531212 is a wasteful number, since it uses less digits than its factorization.

203252131531212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834923317 (or 834923315 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 203252131531212 its reverse (212135131252302), we get a palindrome (415387262783514).

The spelling of 203252131531212 in words is "two hundred three trillion, two hundred fifty-two billion, one hundred thirty-one million, five hundred thirty-one thousand, two hundred twelve".