11512331620012 has 24 divisors (see below), whose sum is σ = 20163689320320. Its totient is φ = 5751279210240.

The previous prime is 11512331620007. The next prime is 11512331620037. The reversal of 11512331620012 is 21002613321511.

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, 27562789 + ... + 27977347.

It is an arithmetic number, because the mean of its divisors is an integer number (840153721680).

Almost surely, 2^{11512331620012} is an apocalyptic number.

It is an amenable number.

11512331620012 is a deficient number, since it is larger than the sum of its proper divisors (8651357700308).

11512331620012 is a wasteful number, since it uses less digits than its factorization.

11512331620012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420441 (or 420439 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 11512331620012 its reverse (21002613321511), we get a palindrome (32514944941523).

The spelling of 11512331620012 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-one million, six hundred twenty thousand, twelve".