214121455256 has 16 divisors (see below), whose sum is σ = 403557927000. Its totient is φ = 106506008064.

The previous prime is 214121455243. The next prime is 214121455259. The reversal of 214121455256 is 652554121412.

214121455256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214121455259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69338306 + ... + 69341393.

Almost surely, 2^214121455256 is an apocalyptic number.

It is an amenable number.

214121455256 is a deficient number, since it is larger than the sum of its proper divisors (189436471744).

214121455256 is a wasteful number, since it uses less digits than its factorization.

214121455256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138679898 (or 138679894 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

Adding to 214121455256 its reverse (652554121412), we get a palindrome (866675576668).

The spelling of 214121455256 in words is "two hundred fourteen billion, one hundred twenty-one million, four hundred fifty-five thousand, two hundred fifty-six".