203412132112 has 120 divisors (see below), whose sum is σ = 499270651776. Its totient is φ = 78480973824.

The previous prime is 203412132109. The next prime is 203412132127. The reversal of 203412132112 is 211231214302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607848 + ... + 881080.

Almost surely, 2^203412132112 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 203412132112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249635325888).

203412132112 is an abundant number, since it is smaller than the sum of its proper divisors (295858519664).

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

203412132112 is a wasteful number, since it uses less digits than its factorization.

203412132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273305 (or 273282 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 203412132112 its reverse (211231214302), we get a palindrome (414643346414).

The spelling of 203412132112 in words is "two hundred three billion, four hundred twelve million, one hundred thirty-two thousand, one hundred twelve".