12221202101012 has 24 divisors (see below), whose sum is σ = 22645279074600. Its totient is φ = 5751125872640.

The previous prime is 12221202100997. The next prime is 12221202101023. The reversal of 12221202101012 is 21010120212221.

12221202101012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109437902596 + 12111764198416 = 330814^2 + 3480196^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21943364 + ... + 22493412.

It is an arithmetic number, because the mean of its divisors is an integer number (943553294775).

Almost surely, 2^{12221202101012} is an apocalyptic number.

It is an amenable number.

12221202101012 is a deficient number, since it is larger than the sum of its proper divisors (10424076973588).

12221202101012 is a wasteful number, since it uses less digits than its factorization.

12221202101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876811 (or 876809 counting only the distinct ones).

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

Adding to 12221202101012 its reverse (21010120212221), we get a palindrome (33231322313233).

The spelling of 12221202101012 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, one hundred one thousand, twelve".