1321241022204 has 12 divisors (see below), whose sum is σ = 3082895718504. Its totient is φ = 440413674064.

The previous prime is 1321241022197. The next prime is 1321241022263. The reversal of 1321241022204 is 4022201421231.

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

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 3 ways as a sum of consecutive naturals, for example, 55051709247 + ... + 55051709270.

It is an arithmetic number, because the mean of its divisors is an integer number (256907976542).

Almost surely, 2^{1321241022204} is an apocalyptic number.

It is an amenable number.

1321241022204 is an abundant number, since it is smaller than the sum of its proper divisors (1761654696300).

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

1321241022204 is a wasteful number, since it uses less digits than its factorization.

1321241022204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110103418524 (or 110103418522 counting only the distinct ones).

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

Adding to 1321241022204 its reverse (4022201421231), we get a palindrome (5343442443435).

The spelling of 1321241022204 in words is "one trillion, three hundred twenty-one billion, two hundred forty-one million, twenty-two thousand, two hundred four".