1321041123204 has 24 divisors (see below), whose sum is σ = 3362650132128. Its totient is φ = 400315491840.

The previous prime is 1321041123203. The next prime is 1321041123257. The reversal of 1321041123204 is 4023211401231.

It is not an unprimeable number, because it can be changed into a prime (1321041123203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5003943517 + ... + 5003943780.

It is an arithmetic number, because the mean of its divisors is an integer number (140110422172).

Almost surely, 2^{1321041123204} is an apocalyptic number.

It is an amenable number.

1321041123204 is an abundant number, since it is smaller than the sum of its proper divisors (2041609008924).

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

1321041123204 is a wasteful number, since it uses less digits than its factorization.

1321041123204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007887315 (or 10007887313 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1321041123204 its reverse (4023211401231), we get a palindrome (5344252524435).

The spelling of 1321041123204 in words is "one trillion, three hundred twenty-one billion, forty-one million, one hundred twenty-three thousand, two hundred four".