210212421324 has 12 divisors (see below), whose sum is σ = 490495649784. Its totient is φ = 70070807104.

The previous prime is 210212421301. The next prime is 210212421329. The reversal of 210212421324 is 423124212012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 210212421294 and 210212421303.

It is not an unprimeable number, because it can be changed into a prime (210212421329) 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, 8758850877 + ... + 8758850900.

It is an arithmetic number, because the mean of its divisors is an integer number (40874637482).

Almost surely, 2^210212421324 is an apocalyptic number.

It is an amenable number.

210212421324 is an abundant number, since it is smaller than the sum of its proper divisors (280283228460).

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

210212421324 is a wasteful number, since it uses less digits than its factorization.

210212421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517701784 (or 17517701782 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 210212421324 its reverse (423124212012), we get a palindrome (633336633336).

The spelling of 210212421324 in words is "two hundred ten billion, two hundred twelve million, four hundred twenty-one thousand, three hundred twenty-four".