12001120101212 has 48 divisors (see below), whose sum is σ = 23730570712800. Its totient is φ = 5260438364160.

The previous prime is 12001120101181. The next prime is 12001120101263. The reversal of 12001120101212 is 21210102110021.

It is a congruent number.

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, 4780613 + ... + 6845180.

It is an arithmetic number, because the mean of its divisors is an integer number (494386889850).

Almost surely, 2^{12001120101212} is an apocalyptic number.

It is an amenable number.

12001120101212 is a deficient number, since it is larger than the sum of its proper divisors (11729450611588).

12001120101212 is a wasteful number, since it uses less digits than its factorization.

12001120101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11626646 (or 11626644 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12001120101212 its reverse (21210102110021), we get a palindrome (33211222211233).

The spelling of 12001120101212 in words is "twelve trillion, one billion, one hundred twenty million, one hundred one thousand, two hundred twelve".