202134123404 has 12 divisors (see below), whose sum is σ = 369114486384. Its totient is φ = 96672841584.

The previous prime is 202134123379. The next prime is 202134123407. The reversal of 202134123404 is 404321431202.

It is not an unprimeable number, because it can be changed into a prime (202134123407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098554927 + ... + 1098555110.

It is an arithmetic number, because the mean of its divisors is an integer number (30759540532).

Almost surely, 2^202134123404 is an apocalyptic number.

It is an amenable number.

202134123404 is a deficient number, since it is larger than the sum of its proper divisors (166980362980).

202134123404 is a wasteful number, since it uses less digits than its factorization.

202134123404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197110064 (or 2197110062 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 202134123404 its reverse (404321431202), we get a palindrome (606455554606).

The spelling of 202134123404 in words is "two hundred two billion, one hundred thirty-four million, one hundred twenty-three thousand, four hundred four".