1223142200201 has 4 divisors (see below), whose sum is σ = 1227557876292. Its totient is φ = 1218726524112.

The previous prime is 1223142200197. The next prime is 1223142200227. The reversal of 1223142200201 is 1020022413221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 214475503225 + 1008666696976 = 463115^2 + 1004324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223142200201 - 2² = 1223142200197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223142203201) 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, 2207837630 + ... + 2207838183.

It is an arithmetic number, because the mean of its divisors is an integer number (306889469073).

Almost surely, 2^{1223142200201} is an apocalyptic number.

It is an amenable number.

1223142200201 is a deficient number, since it is larger than the sum of its proper divisors (4415676091).

1223142200201 is an equidigital number, since it uses as much as digits as its factorization.

1223142200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415676090.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1223142200201 its reverse (1020022413221), we get a palindrome (2243164613422).

The spelling of 1223142200201 in words is "one trillion, two hundred twenty-three billion, one hundred forty-two million, two hundred thousand, two hundred one".