1321335433002 has 96 divisors (see below), whose sum is σ = 3189389411520. Its totient is φ = 362509655040.

The previous prime is 1321335433001. The next prime is 1321335433003. The reversal of 1321335433002 is 2003345331231.

It is an interprime number because it is at equal distance from previous prime (1321335433001) and next prime (1321335433003).

It is not an unprimeable number, because it can be changed into a prime (1321335433001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1689649 + ... + 2344692.

It is an arithmetic number, because the mean of its divisors is an integer number (33222806370).

Almost surely, 2^{1321335433002} is an apocalyptic number.

1321335433002 is an abundant number, since it is smaller than the sum of its proper divisors (1868053978518).

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

1321335433002 is a wasteful number, since it uses less digits than its factorization.

1321335433002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034408 (or 4034395 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The spelling of 1321335433002 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-five million, four hundred thirty-three thousand, two".