12201022221022 has 4 divisors (see below), whose sum is σ = 18301533331536. Its totient is φ = 6100511110510.

The previous prime is 12201022220993. The next prime is 12201022221127. The reversal of 12201022221022 is 22012222010221.

12201022221022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3050255555254 + ... + 3050255555257.

It is an arithmetic number, because the mean of its divisors is an integer number (4575383332884).

Almost surely, 2^{12201022221022} is an apocalyptic number.

12201022221022 is a deficient number, since it is larger than the sum of its proper divisors (6100511110514).

12201022221022 is an equidigital number, since it uses as much as digits as its factorization.

12201022221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100511110513.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12201022221022 its reverse (22012222010221), we get a palindrome (34213244231243).

The spelling of 12201022221022 in words is "twelve trillion, two hundred one billion, twenty-two million, two hundred twenty-one thousand, twenty-two".