1201223232322 has 4 divisors (see below), whose sum is σ = 1801834848486. Its totient is φ = 600611616160.

The previous prime is 1201223232289. The next prime is 1201223232323. The reversal of 1201223232322 is 2232323221021.

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., 802581265161 + 398641967161 = 895869^2 + 631381^2 .

It is a super-2 number, since 2×1201223232322² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201223232323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300305808079 + ... + 300305808082.

Almost surely, 2^{1201223232322} is an apocalyptic number.

1201223232322 is a deficient number, since it is larger than the sum of its proper divisors (600611616164).

1201223232322 is an equidigital number, since it uses as much as digits as its factorization.

1201223232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600611616163.

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

Adding to 1201223232322 its reverse (2232323221021), we get a palindrome (3433546453343).

The spelling of 1201223232322 in words is "one trillion, two hundred one billion, two hundred twenty-three million, two hundred thirty-two thousand, three hundred twenty-two".