1012361606213 has 4 divisors (see below), whose sum is σ = 1037053352748. Its totient is φ = 987669859680.

The previous prime is 1012361606183. The next prime is 1012361606239. The reversal of 1012361606213 is 3126061632101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57992827489 + 954368778724 = 240817^2 + 976918^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012361606213 - 2³⁸ = 737483699269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012361606213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012361606273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12345873206 + ... + 12345873287.

It is an arithmetic number, because the mean of its divisors is an integer number (259263338187).

Almost surely, 2^{1012361606213} is an apocalyptic number.

It is an amenable number.

1012361606213 is a deficient number, since it is larger than the sum of its proper divisors (24691746535).

1012361606213 is an equidigital number, since it uses as much as digits as its factorization.

1012361606213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24691746534.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 1012361606213 in words is "one trillion, twelve billion, three hundred sixty-one million, six hundred six thousand, two hundred thirteen".