12212110021022 has 4 divisors (see below), whose sum is σ = 18318165031536. Its totient is φ = 6106055010510.

The previous prime is 12212110020997. The next prime is 12212110021037. The reversal of 12212110021022 is 22012001121221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053027505254 + ... + 3053027505257.

It is an arithmetic number, because the mean of its divisors is an integer number (4579541257884).

Almost surely, 2^{12212110021022} is an apocalyptic number.

12212110021022 is a deficient number, since it is larger than the sum of its proper divisors (6106055010514).

12212110021022 is an equidigital number, since it uses as much as digits as its factorization.

12212110021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106055010513.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212110021022 its reverse (22012001121221), we get a palindrome (34224111142243).

The spelling of 12212110021022 in words is "twelve trillion, two hundred twelve billion, one hundred ten million, twenty-one thousand, twenty-two".