1242202222223 has 4 divisors (see below), whose sum is σ = 1285036781640. Its totient is φ = 1199367662808.

The previous prime is 1242202222211. The next prime is 1242202222229. The reversal of 1242202222223 is 3222222022421.

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 1242202222223 - 2⁴ = 1242202222207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242202222192 and 1242202222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242202222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21417279665 + ... + 21417279722.

It is an arithmetic number, because the mean of its divisors is an integer number (321259195410).

Almost surely, 2^{1242202222223} is an apocalyptic number.

1242202222223 is a deficient number, since it is larger than the sum of its proper divisors (42834559417).

1242202222223 is an equidigital number, since it uses as much as digits as its factorization.

1242202222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42834559416.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 1242202222223 its reverse (3222222022421), we get a palindrome (4464424244644).

The spelling of 1242202222223 in words is "one trillion, two hundred forty-two billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-three".