203203112134204 has 24 divisors (see below), whose sum is σ = 437668241520608. Its totient is φ = 80388044360640.

The previous prime is 203203112134159. The next prime is 203203112134207. The reversal of 203203112134204 is 402431211302302.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203203112134207) 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, 279125153667 + ... + 279125154394.

Almost surely, 2^{203203112134204} is an apocalyptic number.

It is an amenable number.

203203112134204 is an abundant number, since it is smaller than the sum of its proper divisors (234465129386404).

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

203203112134204 is a wasteful number, since it uses less digits than its factorization.

203203112134204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558250308085 (or 558250308083 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 203203112134204 its reverse (402431211302302), we get a palindrome (605634323436506).

The spelling of 203203112134204 in words is "two hundred three trillion, two hundred three billion, one hundred twelve million, one hundred thirty-four thousand, two hundred four".