1201222222223 has 4 divisors (see below), whose sum is σ = 1271882352960. Its totient is φ = 1130562091488.

The previous prime is 1201222222183. The next prime is 1201222222259. The reversal of 1201222222223 is 3222222221021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201222222223 - 2¹² = 1201222218127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201222222283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35330065343 + ... + 35330065376.

It is an arithmetic number, because the mean of its divisors is an integer number (317970588240).

Almost surely, 2^{1201222222223} is an apocalyptic number.

1201222222223 is a deficient number, since it is larger than the sum of its proper divisors (70660130737).

1201222222223 is an equidigital number, since it uses as much as digits as its factorization.

1201222222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70660130736.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1201222222223 its reverse (3222222221021), we get a palindrome (4423444443244).

The spelling of 1201222222223 in words is "one trillion, two hundred one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-three".