1012201221233 has 2 divisors, whose sum is σ = 1012201221234. Its totient is φ = 1012201221232.

The previous prime is 1012201221191. The next prime is 1012201221299. The reversal of 1012201221233 is 3321221022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 578311579024 + 433889642209 = 760468^2 + 658703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012201221233 - 2²⁸ = 1011932785777 is a prime.

It is a super-2 number, since 2×1012201221233² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012201224233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506100610616 + 506100610617.

It is an arithmetic number, because the mean of its divisors is an integer number (506100610617).

Almost surely, 2^{1012201221233} is an apocalyptic number.

It is an amenable number.

1012201221233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012201221233 is an equidigital number, since it uses as much as digits as its factorization.

1012201221233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1012201221233 its reverse (3321221022101), we get a palindrome (4333422243334).

The spelling of 1012201221233 in words is "one trillion, twelve billion, two hundred one million, two hundred twenty-one thousand, two hundred thirty-three".