1012120212133 has 2 divisors, whose sum is σ = 1012120212134. Its totient is φ = 1012120212132.

The previous prime is 1012120212079. The next prime is 1012120212137. The reversal of 1012120212133 is 3312120212101.

1012120212133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885816027684 + 126304184449 = 941178^2 + 355393^2 .

It is an emirp because it is prime and its reverse (3312120212101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012120212133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012120212133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012120212137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060106066 + 506060106067.

It is an arithmetic number, because the mean of its divisors is an integer number (506060106067).

Almost surely, 2^{1012120212133} is an apocalyptic number.

It is an amenable number.

1012120212133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012120212133 is an equidigital number, since it uses as much as digits as its factorization.

1012120212133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1012120212133 its reverse (3312120212101), we get a palindrome (4324240424234).

The spelling of 1012120212133 in words is "one trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, one hundred thirty-three".