52133121234 has 64 divisors (see below), whose sum is σ = 122024918400. Its totient is φ = 16452818496.

The previous prime is 52133121221. The next prime is 52133121239. The reversal of 52133121234 is 43212133125.

52133121234 is a `hidden beast` number, since 521 + 3 + 3 + 12 + 123 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52133121198 and 52133121207.

It is not an unprimeable number, because it can be changed into a prime (52133121239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1722012 + ... + 1752024.

It is an arithmetic number, because the mean of its divisors is an integer number (1906639350).

Almost surely, 2^52133121234 is an apocalyptic number.

52133121234 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52133121234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61012459200).

52133121234 is an abundant number, since it is smaller than the sum of its proper divisors (69891797166).

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

52133121234 is a wasteful number, since it uses less digits than its factorization.

52133121234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31736 (or 31730 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 52133121234 its reverse (43212133125), we get a palindrome (95345254359).

The spelling of 52133121234 in words is "fifty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred thirty-four".