11212012120213 has 4 divisors (see below), whose sum is σ = 11212608427488. Its totient is φ = 11211415812940.

The previous prime is 11212012120181. The next prime is 11212012120277. The reversal of 11212012120213 is 31202121021211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11212012120213 - 2⁵ = 11212012120181 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 (11212012120613) 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, 298125433 + ... + 298163038.

It is an arithmetic number, because the mean of its divisors is an integer number (2803152106872).

Almost surely, 2^{11212012120213} is an apocalyptic number.

It is an amenable number.

11212012120213 is a deficient number, since it is larger than the sum of its proper divisors (596307275).

11212012120213 is an equidigital number, since it uses as much as digits as its factorization.

11212012120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596307274.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11212012120213 its reverse (31202121021211), we get a palindrome (42414133141424).

The spelling of 11212012120213 in words is "eleven trillion, two hundred twelve billion, twelve million, one hundred twenty thousand, two hundred thirteen".