203525101312 has 72 divisors (see below), whose sum is σ = 437957692704. Its totient is φ = 93837594624.

The previous prime is 203525101291. The next prime is 203525101387. The reversal of 203525101312 is 213101525302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240318 + ... + 3302530.

It is an arithmetic number, because the mean of its divisors is an integer number (6082745732).

Almost surely, 2^203525101312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203525101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218978846352).

203525101312 is an abundant number, since it is smaller than the sum of its proper divisors (234432591392).

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

203525101312 is an equidigital number, since it uses as much as digits as its factorization.

203525101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63225 (or 63211 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 203525101312 its reverse (213101525302), we get a palindrome (416626626614).

The spelling of 203525101312 in words is "two hundred three billion, five hundred twenty-five million, one hundred one thousand, three hundred twelve".