1201021210223 has 2 divisors, whose sum is σ = 1201021210224. Its totient is φ = 1201021210222.

The previous prime is 1201021210219. The next prime is 1201021210253. The reversal of 1201021210223 is 3220121201021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201021210223 - 2² = 1201021210219 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201021210253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600510605111 + 600510605112.

It is an arithmetic number, because the mean of its divisors is an integer number (600510605112).

Almost surely, 2^{1201021210223} is an apocalyptic number.

1201021210223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201021210223 is an equidigital number, since it uses as much as digits as its factorization.

1201021210223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201021210223 its reverse (3220121201021), we get a palindrome (4421142411244).

The spelling of 1201021210223 in words is "one trillion, two hundred one billion, twenty-one million, two hundred ten thousand, two hundred twenty-three".