11321131210212 has 12 divisors (see below), whose sum is σ = 26415972823856. Its totient is φ = 3773710403400.

The previous prime is 11321131210127. The next prime is 11321131210217. The reversal of 11321131210212 is 21201213112311.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11321131210217) 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, 471713800414 + ... + 471713800437.

Almost surely, 2^{11321131210212} is an apocalyptic number.

11321131210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11321131210212 is an abundant number, since it is smaller than the sum of its proper divisors (15094841613644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321131210212 is a wasteful number, since it uses less digits than its factorization.

11321131210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943427600858 (or 943427600856 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11321131210212 its reverse (21201213112311), we get a palindrome (32522344322523).

The spelling of 11321131210212 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty-one million, two hundred ten thousand, two hundred twelve".