12011023302312 has 32 divisors (see below), whose sum is σ = 30051990842400. Its totient is φ = 4000416755904.

The previous prime is 12011023302307. The next prime is 12011023302337. The reversal of 12011023302312 is 21320332011021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203574778 + ... + 203633769.

It is an arithmetic number, because the mean of its divisors is an integer number (939124713825).

Almost surely, 2^{12011023302312} is an apocalyptic number.

12011023302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12011023302312 is an abundant number, since it is smaller than the sum of its proper divisors (18040967540088).

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

12011023302312 is a wasteful number, since it uses less digits than its factorization.

12011023302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407209785 (or 407209781 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12011023302312 its reverse (21320332011021), we get a palindrome (33331355313333).

The spelling of 12011023302312 in words is "twelve trillion, eleven billion, twenty-three million, three hundred two thousand, three hundred twelve".