212421122514 has 24 divisors (see below), whose sum is σ = 477291906000. Its totient is φ = 70807040676.

The previous prime is 212421122491. The next prime is 212421122519. The reversal of 212421122514 is 415221124212.

212421122514 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 21 + 122 + 514 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (212421122519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218539764 + ... + 218540735.

It is an arithmetic number, because the mean of its divisors is an integer number (19887162750).

Almost surely, 2^212421122514 is an apocalyptic number.

212421122514 is an abundant number, since it is smaller than the sum of its proper divisors (264870783486).

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

212421122514 is an equidigital number, since it uses as much as digits as its factorization.

212421122514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437080516 (or 437080504 counting only the distinct ones).

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

Adding to 212421122514 its reverse (415221124212), we get a palindrome (627642246726).

The spelling of 212421122514 in words is "two hundred twelve billion, four hundred twenty-one million, one hundred twenty-two thousand, five hundred fourteen".