1322120002 has 16 divisors (see below), whose sum is σ = 2266987392. Its totient is φ = 566498880.

The previous prime is 1322119979. The next prime is 1322120003. The reversal of 1322120002 is 2000212231.

It is not an unprimeable number, because it can be changed into a prime (1322120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88602 + ... + 102442.

It is an arithmetic number, because the mean of its divisors is an integer number (141686712).

Almost surely, 2^1322120002 is an apocalyptic number.

1322120002 is a deficient number, since it is larger than the sum of its proper divisors (944867390).

1322120002 is a wasteful number, since it uses less digits than its factorization.

1322120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20673.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1322120002 is about 36360.9681114241. The cubic root of 1322120002 is about 1097.5482590430.

Adding to 1322120002 its reverse (2000212231), we get a palindrome (3322332233).

The spelling of 1322120002 in words is "one billion, three hundred twenty-two million, one hundred twenty thousand, two".