11331212132012 has 48 divisors (see below), whose sum is σ = 21406384036800. Its totient is φ = 5232135955200.

The previous prime is 11331212131961. The next prime is 11331212132021. The reversal of 11331212132012 is 21023121213311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57800414 + ... + 57996122.

It is an arithmetic number, because the mean of its divisors is an integer number (445966334100).

Almost surely, 2^{11331212132012} is an apocalyptic number.

It is an amenable number.

11331212132012 is a deficient number, since it is larger than the sum of its proper divisors (10075171904788).

11331212132012 is a wasteful number, since it uses less digits than its factorization.

11331212132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217466 (or 217464 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11331212132012 its reverse (21023121213311), we get a palindrome (32354333345323).

The spelling of 11331212132012 in words is "eleven trillion, three hundred thirty-one billion, two hundred twelve million, one hundred thirty-two thousand, twelve".