16131032191212 has 48 divisors (see below), whose sum is σ = 38169464973024. Its totient is φ = 5301682560000.

The previous prime is 16131032191193. The next prime is 16131032191217. The reversal of 16131032191212 is 21219123013161.

It is not an unprimeable number, because it can be changed into a prime (16131032191217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27320839 + ... + 27905022.

It is an arithmetic number, because the mean of its divisors is an integer number (795197186938).

Almost surely, 2^{16131032191212} is an apocalyptic number.

16131032191212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16131032191212 is an abundant number, since it is smaller than the sum of its proper divisors (22038432781812).

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

16131032191212 is a wasteful number, since it uses less digits than its factorization.

16131032191212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55226210 (or 55226208 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 16131032191212 in words is "sixteen trillion, one hundred thirty-one billion, thirty-two million, one hundred ninety-one thousand, two hundred twelve".