1321341134204 has 36 divisors (see below), whose sum is σ = 2896786338264. Its totient is φ = 522728359776.

The previous prime is 1321341134177. The next prime is 1321341134219. The reversal of 1321341134204 is 4024311431231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259287314 + ... + 259292409.

It is an arithmetic number, because the mean of its divisors is an integer number (80466287174).

Almost surely, 2^{1321341134204} is an apocalyptic number.

1321341134204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321341134204 is an abundant number, since it is smaller than the sum of its proper divisors (1575445204060).

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

1321341134204 is a wasteful number, since it uses less digits than its factorization.

1321341134204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518579754 (or 518579745 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1321341134204 its reverse (4024311431231), we get a palindrome (5345652565435).

The spelling of 1321341134204 in words is "one trillion, three hundred twenty-one billion, three hundred forty-one million, one hundred thirty-four thousand, two hundred four".