214212142124421 has 16 divisors (see below), whose sum is σ = 345619590655104. Its totient is φ = 115206530217984.

The previous prime is 214212142124411. The next prime is 214212142124423. The reversal of 214212142124421 is 124421241212412.

It is not a de Polignac number, because 214212142124421 - 2⁹ = 214212142123909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214212142124423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300017005420 + ... + 300017006133.

It is an arithmetic number, because the mean of its divisors is an integer number (21601224415944).

Almost surely, 2^{214212142124421} is an apocalyptic number.

214212142124421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214212142124421 is a deficient number, since it is larger than the sum of its proper divisors (131407448530683).

214212142124421 is a wasteful number, since it uses less digits than its factorization.

214212142124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600034011580.

The product of its digits is 16384, while the sum is 33.

Adding to 214212142124421 its reverse (124421241212412), we get a palindrome (338633383336833).

The spelling of 214212142124421 in words is "two hundred fourteen trillion, two hundred twelve billion, one hundred forty-two million, one hundred twenty-four thousand, four hundred twenty-one".