1213322202322 has 4 divisors (see below), whose sum is σ = 1819983303486. Its totient is φ = 606661101160.

The previous prime is 1213322202319. The next prime is 1213322202341. The reversal of 1213322202322 is 2232022233121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 970971773641 + 242350428681 = 985379^2 + 492291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303330550579 + ... + 303330550582.

Almost surely, 2^{1213322202322} is an apocalyptic number.

1213322202322 is a deficient number, since it is larger than the sum of its proper divisors (606661101164).

1213322202322 is an equidigital number, since it uses as much as digits as its factorization.

1213322202322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606661101163.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1213322202322 its reverse (2232022233121), we get a palindrome (3445344435443).

The spelling of 1213322202322 in words is "one trillion, two hundred thirteen billion, three hundred twenty-two million, two hundred two thousand, three hundred twenty-two".