211112131320012 has 48 divisors (see below), whose sum is σ = 530501664010752. Its totient is φ = 64955770305600.

The previous prime is 211112131320007. The next prime is 211112131320031. The reversal of 211112131320012 is 210023131211112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13212858 + ... + 24429569.

It is an arithmetic number, because the mean of its divisors is an integer number (11052118000224).

Almost surely, 2^{211112131320012} is an apocalyptic number.

It is an amenable number.

211112131320012 is an abundant number, since it is smaller than the sum of its proper divisors (319389532690740).

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

211112131320012 is a wasteful number, since it uses less digits than its factorization.

211112131320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37678398 (or 37678396 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 211112131320012 its reverse (210023131211112), we get a palindrome (421135262531124).

The spelling of 211112131320012 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred thirty-one million, three hundred twenty thousand, twelve".