12111211121132 has 48 divisors (see below), whose sum is σ = 22461184755072. Its totient is φ = 5694361344000.

The previous prime is 12111211121123. The next prime is 12111211121143. The reversal of 12111211121132 is 23112111211121.

It is a super-2 number, since 2×12111211121132² (a number of 27 digits) contains 22 as substring.

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, 394448093 + ... + 394478795.

It is an arithmetic number, because the mean of its divisors is an integer number (467941349064).

Almost surely, 2^{12111211121132} is an apocalyptic number.

It is an amenable number.

12111211121132 is a deficient number, since it is larger than the sum of its proper divisors (10349973633940).

12111211121132 is a wasteful number, since it uses less digits than its factorization.

12111211121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35658 (or 35656 counting only the distinct ones).

The product of its digits is 48, while the sum is 20.

Adding to 12111211121132 its reverse (23112111211121), we get a palindrome (35223322332253).

The spelling of 12111211121132 in words is "twelve trillion, one hundred eleven billion, two hundred eleven million, one hundred twenty-one thousand, one hundred thirty-two".