12002120021012 has 24 divisors (see below), whose sum is σ = 23301496501920. Its totient is φ = 5363042843360.

The previous prime is 12002120020997. The next prime is 12002120021027. The reversal of 12002120021012 is 21012002120021.

It is an interprime number because it is at equal distance from previous prime (12002120020997) and next prime (12002120021027).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311653803 + ... + 2311658994.

It is an arithmetic number, because the mean of its divisors is an integer number (970895687580).

Almost surely, 2^{12002120021012} is an apocalyptic number.

It is an amenable number.

12002120021012 is a deficient number, since it is larger than the sum of its proper divisors (11299376480908).

12002120021012 is a wasteful number, since it uses less digits than its factorization.

12002120021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623312871 (or 4623312869 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12002120021012 its reverse (21012002120021), we get a palindrome (33014122141033).

The spelling of 12002120021012 in words is "twelve trillion, two billion, one hundred twenty million, twenty-one thousand, twelve".