203434121132 has 48 divisors (see below), whose sum is σ = 404121457152. Its totient is φ = 88794962880.

The previous prime is 203434121087. The next prime is 203434121161. The reversal of 203434121132 is 231121434302.

It is a super-2 number, since 2×203434121132² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818438 + ... + 1037645.

It is an arithmetic number, because the mean of its divisors is an integer number (8419197024).

Almost surely, 2^203434121132 is an apocalyptic number.

203434121132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203434121132 is a deficient number, since it is larger than the sum of its proper divisors (200687336020).

203434121132 is a wasteful number, since it uses less digits than its factorization.

203434121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856198 (or 1856196 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 203434121132 its reverse (231121434302), we get a palindrome (434555555434).

The spelling of 203434121132 in words is "two hundred three billion, four hundred thirty-four million, one hundred twenty-one thousand, one hundred thirty-two".