1012042133213 has 8 divisors (see below), whose sum is σ = 1071699698232. Its totient is φ = 952398532096.

The previous prime is 1012042133203. The next prime is 1012042133231. The reversal of 1012042133213 is 3123312402101.

It can be written as a sum of positive squares in 4 ways, for example, as 343773487684 + 668268645529 = 586322^2 + 817477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012042133213 - 2⁶ = 1012042133149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012042133203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341570 + ... + 3631827.

It is an arithmetic number, because the mean of its divisors is an integer number (133962462279).

Almost surely, 2^{1012042133213} is an apocalyptic number.

It is an amenable number.

1012042133213 is a deficient number, since it is larger than the sum of its proper divisors (59657565019).

1012042133213 is an equidigital number, since it uses as much as digits as its factorization.

1012042133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981951.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1012042133213 its reverse (3123312402101), we get a palindrome (4135354535314).

The spelling of 1012042133213 in words is "one trillion, twelve billion, forty-two million, one hundred thirty-three thousand, two hundred thirteen".