14221502120000 has 140 divisors (see below), whose sum is σ = 40302518815680. Its totient is φ = 4875943488000.

The previous prime is 14221502119999. The next prime is 14221502120003. The reversal of 14221502120000 is 2120512241.

It is a tau number, because it is divible by the number of its divisors (140).

It is a super-2 number, since 2×14221502120000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (14221502120003) 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, 25115540 + ... + 25675539.

Almost surely, 2^{14221502120000} is an apocalyptic number.

14221502120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14221502120000 is an abundant number, since it is smaller than the sum of its proper divisors (26081016695680).

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

14221502120000 is an frugal number, since it uses more digits than its factorization.

14221502120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50791118 (or 50791093 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 14221502120000 its reverse (2120512241), we get a palindrome (14223622632241).

The spelling of 14221502120000 in words is "fourteen trillion, two hundred twenty-one billion, five hundred two million, one hundred twenty thousand".