12001022020012 has 12 divisors (see below), whose sum is σ = 21155086262520. Its totient is φ = 5956711659296.

The previous prime is 12001022019991. The next prime is 12001022020033. The reversal of 12001022020012 is 21002022010021.

It is a happy number.

12001022020012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12001022019991) and next prime (12001022020033).

It is a junction number, because it is equal to n+sod(n) for n = 12001022019974 and 12001022020001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10949837062 + ... + 10949838157.

It is an arithmetic number, because the mean of its divisors is an integer number (1762923855210).

Almost surely, 2^{12001022020012} is an apocalyptic number.

It is an amenable number.

12001022020012 is a deficient number, since it is larger than the sum of its proper divisors (9154064242508).

12001022020012 is a wasteful number, since it uses less digits than its factorization.

12001022020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21899675360 (or 21899675358 counting only the distinct ones).

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

Adding to 12001022020012 its reverse (21002022010021), we get a palindrome (33003044030033).

Subtracting 12001022020012 from its reverse (21002022010021), we obtain a palindrome (9000999990009).

The spelling of 12001022020012 in words is "twelve trillion, one billion, twenty-two million, twenty thousand, twelve".