11212331332013 has 12 divisors (see below), whose sum is σ = 13271194965600. Its totient is φ = 9279170752656.

The previous prime is 11212331332009. The next prime is 11212331332051. The reversal of 11212331332013 is 31023313321211.

It is not a de Polignac number, because 11212331332013 - 2² = 11212331332009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212331332063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952289963 + ... + 952301736.

It is an arithmetic number, because the mean of its divisors is an integer number (1105932913800).

Almost surely, 2^{11212331332013} is an apocalyptic number.

It is an amenable number.

11212331332013 is a deficient number, since it is larger than the sum of its proper divisors (2058863633587).

11212331332013 is an equidigital number, since it uses as much as digits as its factorization.

11212331332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904591764 (or 1904591735 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11212331332013 its reverse (31023313321211), we get a palindrome (42235644653224).

The spelling of 11212331332013 in words is "eleven trillion, two hundred twelve billion, three hundred thirty-one million, three hundred thirty-two thousand, thirteen".