11321132121212 has 24 divisors (see below), whose sum is σ = 19842858955920. Its totient is φ = 5651744555520.

The previous prime is 11321132121199. The next prime is 11321132121281. The reversal of 11321132121212 is 21212123112311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76953068 + ... + 77100044.

It is an arithmetic number, because the mean of its divisors is an integer number (826785789830).

Almost surely, 2^{11321132121212} is an apocalyptic number.

It is an amenable number.

11321132121212 is a deficient number, since it is larger than the sum of its proper divisors (8521726834708).

11321132121212 is a wasteful number, since it uses less digits than its factorization.

11321132121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176861 (or 176859 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

Adding to 11321132121212 its reverse (21212123112311), we get a palindrome (32533255233523).

The spelling of 11321132121212 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred twelve".