11212331012 has 12 divisors (see below), whose sum is σ = 20077895376. Its totient is φ = 5475789480.

The previous prime is 11212330999. The next prime is 11212331033. The reversal of 11212331012 is 21013321211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32593814 + ... + 32594157.

It is an arithmetic number, because the mean of its divisors is an integer number (1673157948).

Almost surely, 2^11212331012 is an apocalyptic number.

It is an amenable number.

11212331012 is a deficient number, since it is larger than the sum of its proper divisors (8865564364).

11212331012 is a wasteful number, since it uses less digits than its factorization.

11212331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65188018 (or 65188016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11212331012 its reverse (21013321211), we get a palindrome (32225652223).

The spelling of 11212331012 in words is "eleven billion, two hundred twelve million, three hundred thirty-one thousand, twelve".