14202501212421 has 24 divisors (see below), whose sum is σ = 21350238733824. Its totient is φ = 9434638956960.

The previous prime is 14202501212327. The next prime is 14202501212423. The reversal of 14202501212421 is 12421210520241.

14202501212421 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 25 + 0 + 1 + 212 + 421 = 666.

It is not a de Polignac number, because 14202501212421 - 2⁷ = 14202501212293 is a prime.

It is a super-2 number, since 2×14202501212421² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14202501212423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103929061 + ... + 104065626.

It is an arithmetic number, because the mean of its divisors is an integer number (889593280576).

Almost surely, 2^{14202501212421} is an apocalyptic number.

It is an amenable number.

14202501212421 is a deficient number, since it is larger than the sum of its proper divisors (7147737521403).

14202501212421 is an equidigital number, since it uses as much as digits as its factorization.

14202501212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207994983 (or 207994971 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 14202501212421 its reverse (12421210520241), we get a palindrome (26623711732662).

The spelling of 14202501212421 in words is "fourteen trillion, two hundred two billion, five hundred one million, two hundred twelve thousand, four hundred twenty-one".