1212133132013 has 8 divisors (see below), whose sum is σ = 1215613733400. Its totient is φ = 1208653766208.

The previous prime is 1212133131949. The next prime is 1212133132019. The reversal of 1212133132013 is 3102313312121.

It can be written as a sum of positive squares in 4 ways, for example, as 4448623204 + 1207684508809 = 66698^2 + 1098947^2 .

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 1212133132013 - 2⁶ = 1212133131949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212133132013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212133132019) 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, 1674203 + ... + 2286311.

It is an arithmetic number, because the mean of its divisors is an integer number (151951716675).

Almost surely, 2^{1212133132013} is an apocalyptic number.

It is an amenable number.

1212133132013 is a deficient number, since it is larger than the sum of its proper divisors (3480601387).

1212133132013 is an equidigital number, since it uses as much as digits as its factorization.

1212133132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617791.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1212133132013 its reverse (3102313312121), we get a palindrome (4314446444134).

The spelling of 1212133132013 in words is "one trillion, two hundred twelve billion, one hundred thirty-three million, one hundred thirty-two thousand, thirteen".