1201222252103 has 2 divisors, whose sum is σ = 1201222252104. Its totient is φ = 1201222252102.

The previous prime is 1201222252091. The next prime is 1201222252129. The reversal of 1201222252103 is 3012522221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201222252103 - 2¹² = 1201222248007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201222252133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600611126051 + 600611126052.

It is an arithmetic number, because the mean of its divisors is an integer number (600611126052).

Almost surely, 2^{1201222252103} is an apocalyptic number.

1201222252103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201222252103 is an equidigital number, since it uses as much as digits as its factorization.

1201222252103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1201222252103 its reverse (3012522221021), we get a palindrome (4213744473124).

The spelling of 1201222252103 in words is "one trillion, two hundred one billion, two hundred twenty-two million, two hundred fifty-two thousand, one hundred three".