16202120012 has 24 divisors (see below), whose sum is σ = 30543561216. Its totient is φ = 7475747328.

The previous prime is 16202119957. The next prime is 16202120017. The reversal of 16202120012 is 21002120261.

It is not an unprimeable number, because it can be changed into a prime (16202120017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145013 + ... + 231155.

It is an arithmetic number, because the mean of its divisors is an integer number (1272648384).

Almost surely, 2^16202120012 is an apocalyptic number.

It is an amenable number.

16202120012 is a deficient number, since it is larger than the sum of its proper divisors (14341441204).

16202120012 is a wasteful number, since it uses less digits than its factorization.

16202120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89777 (or 89775 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 16202120012 its reverse (21002120261), we get a palindrome (37204240273).

The spelling of 16202120012 in words is "sixteen billion, two hundred two million, one hundred twenty thousand, twelve".