12201011221022 has 32 divisors (see below), whose sum is σ = 20404408574592. Its totient is φ = 5435923440384.

The previous prime is 12201011220967. The next prime is 12201011221039. The reversal of 12201011221022 is 22012211010221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68297513 + ... + 68475924.

It is an arithmetic number, because the mean of its divisors is an integer number (637637767956).

Almost surely, 2^{12201011221022} is an apocalyptic number.

12201011221022 is a deficient number, since it is larger than the sum of its proper divisors (8203397353570).

12201011221022 is a wasteful number, since it uses less digits than its factorization.

12201011221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136773572.

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

Adding to 12201011221022 its reverse (22012211010221), we get a palindrome (34213222231243).

The spelling of 12201011221022 in words is "twelve trillion, two hundred one billion, eleven million, two hundred twenty-one thousand, twenty-two".