14122400021 has 32 divisors (see below), whose sum is σ = 15870919680. Its totient is φ = 12502425600.

The previous prime is 14122400011. The next prime is 14122400099. The reversal of 14122400021 is 12000422141.

It is not a de Polignac number, because 14122400021 - 2¹⁴ = 14122383637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14122400011) 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, 6632285 + ... + 6634413.

It is an arithmetic number, because the mean of its divisors is an integer number (495966240).

Almost surely, 2^14122400021 is an apocalyptic number.

It is an amenable number.

14122400021 is a deficient number, since it is larger than the sum of its proper divisors (1748519659).

14122400021 is a wasteful number, since it uses less digits than its factorization.

14122400021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 14122400021 its reverse (12000422141), we get a palindrome (26122822162).

The spelling of 14122400021 in words is "fourteen billion, one hundred twenty-two million, four hundred thousand, twenty-one".