52122404140000 has 120 divisors (see below), whose sum is σ = 128297927402568. Its totient is φ = 20837743680000.

The previous prime is 52122404139989. The next prime is 52122404140003. The reversal of 52122404140000 is 4140422125.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52122404140003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36519807 + ... + 37920193.

Almost surely, 2^{52122404140000} is an apocalyptic number.

52122404140000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52122404140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64148963701284).

52122404140000 is an abundant number, since it is smaller than the sum of its proper divisors (76175523262568).

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

52122404140000 is a wasteful number, since it uses less digits than its factorization.

52122404140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402278 (or 1402255 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 52122404140000 its reverse (4140422125), we get a palindrome (52126544562125).

The spelling of 52122404140000 in words is "fifty-two trillion, one hundred twenty-two billion, four hundred four million, one hundred forty thousand".