203202412404234 has 64 divisors (see below), whose sum is σ = 437536350024192. Its totient is φ = 62680170470400.

The previous prime is 203202412404191. The next prime is 203202412404283. The reversal of 203202412404234 is 432404214202302.

It is a happy number.

It is a super-2 number, since 2×203202412404234² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203202412404195 and 203202412404204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9523519 + ... + 22295789.

It is an arithmetic number, because the mean of its divisors is an integer number (6836505469128).

Almost surely, 2^{203202412404234} is an apocalyptic number.

203202412404234 is an abundant number, since it is smaller than the sum of its proper divisors (234333937619958).

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

203202412404234 is a wasteful number, since it uses less digits than its factorization.

203202412404234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12774911.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 203202412404234 its reverse (432404214202302), we get a palindrome (635606626606536).

The spelling of 203202412404234 in words is "two hundred three trillion, two hundred two billion, four hundred twelve million, four hundred four thousand, two hundred thirty-four".