112400052421 has 8 divisors (see below), whose sum is σ = 112511345688. Its totient is φ = 112288800000.

The previous prime is 112400052397. The next prime is 112400052439. The reversal of 112400052421 is 124250004211.

It can be written as a sum of positive squares in 4 ways, for example, as 13159301796 + 99240750625 = 114714^2 + 315025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112400052421 - 2²⁹ = 111863181509 is a prime.

It is a super-2 number, since 2×112400052421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112400052392 and 112400052401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112400052461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9518721 + ... + 9530521.

It is an arithmetic number, because the mean of its divisors is an integer number (14063918211).

Almost surely, 2^112400052421 is an apocalyptic number.

It is an amenable number.

112400052421 is a deficient number, since it is larger than the sum of its proper divisors (111293267).

112400052421 is a wasteful number, since it uses less digits than its factorization.

112400052421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20423.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 112400052421 its reverse (124250004211), we get a palindrome (236650056632).

The spelling of 112400052421 in words is "one hundred twelve billion, four hundred million, fifty-two thousand, four hundred twenty-one".