12120020120002 has 16 divisors (see below), whose sum is σ = 18313674940512. Its totient is φ = 6015466366240.

The previous prime is 12120020119981. The next prime is 12120020120027. The reversal of 12120020120002 is 20002102002121.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4232373 + ... + 6492535.

It is an arithmetic number, because the mean of its divisors is an integer number (1144604683782).

Almost surely, 2^{12120020120002} is an apocalyptic number.

12120020120002 is a deficient number, since it is larger than the sum of its proper divisors (6193654820510).

12120020120002 is a wasteful number, since it uses less digits than its factorization.

12120020120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279873.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120020120002 its reverse (20002102002121), we get a palindrome (32122122122123).

The spelling of 12120020120002 in words is "twelve trillion, one hundred twenty billion, twenty million, one hundred twenty thousand, two".