1320000322129 has 4 divisors (see below), whose sum is σ = 1323062968320. Its totient is φ = 1316937675940.

The previous prime is 1320000322117. The next prime is 1320000322133. The reversal of 1320000322129 is 9212230000231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320000322129 - 2¹¹ = 1320000320081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320000322159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531322449 + ... + 1531323310.

It is an arithmetic number, because the mean of its divisors is an integer number (330765742080).

Almost surely, 2^{1320000322129} is an apocalyptic number.

It is an amenable number.

1320000322129 is a deficient number, since it is larger than the sum of its proper divisors (3062646191).

1320000322129 is an equidigital number, since it uses as much as digits as its factorization.

1320000322129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062646190.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 1320000322129 in words is "one trillion, three hundred twenty billion, three hundred twenty-two thousand, one hundred twenty-nine".