1322011220002 has 24 divisors (see below), whose sum is σ = 2215412134236. Its totient is φ = 591063132000.

The previous prime is 1322011219993. The next prime is 1322011220003. The reversal of 1322011220002 is 2000221102231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1134947184921 + 187064035081 = 1065339^2 + 432509^2 .

It is a super-2 number, since 2×1322011220002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1322011220003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44762749 + ... + 44792272.

Almost surely, 2^{1322011220002} is an apocalyptic number.

1322011220002 is a deficient number, since it is larger than the sum of its proper divisors (893400914234).

1322011220002 is a wasteful number, since it uses less digits than its factorization.

1322011220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89555106 (or 89555095 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1322011220002 its reverse (2000221102231), we get a palindrome (3322232322233).

The spelling of 1322011220002 in words is "one trillion, three hundred twenty-two billion, eleven million, two hundred twenty thousand, two".