12120032166562 has 16 divisors (see below), whose sum is σ = 18538839653472. Its totient is φ = 5941276276320.

The previous prime is 12120032166503. The next prime is 12120032166607. The reversal of 12120032166562 is 26566123002121.

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 7 ways as a sum of consecutive naturals, for example, 214303483 + ... + 214360030.

It is an arithmetic number, because the mean of its divisors is an integer number (1158677478342).

Almost surely, 2^{12120032166562} is an apocalyptic number.

12120032166562 is a deficient number, since it is larger than the sum of its proper divisors (6418807486910).

12120032166562 is a wasteful number, since it uses less digits than its factorization.

12120032166562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428663793.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 12120032166562 its reverse (26566123002121), we get a palindrome (38686155168683).

The spelling of 12120032166562 in words is "twelve trillion, one hundred twenty billion, thirty-two million, one hundred sixty-six thousand, five hundred sixty-two".