12013021001012 has 12 divisors (see below), whose sum is σ = 21419443105956. Its totient is φ = 5893180113600.

The previous prime is 12013021000993. The next prime is 12013021001041. The reversal of 12013021001012 is 21010012031021.

It can be written as a sum of positive squares in 2 ways, for example, as 8100877209616 + 3912143791396 = 2846204^2 + 1977914^2 .

It is a congruent number.

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, 28332596489 + ... + 28332596912.

It is an arithmetic number, because the mean of its divisors is an integer number (1784953592163).

Almost surely, 2^{12013021001012} is an apocalyptic number.

It is an amenable number.

12013021001012 is a deficient number, since it is larger than the sum of its proper divisors (9406422104944).

12013021001012 is a wasteful number, since it uses less digits than its factorization.

12013021001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56665193458 (or 56665193456 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12013021001012 its reverse (21010012031021), we get a palindrome (33023033032033).

The spelling of 12013021001012 in words is "twelve trillion, thirteen billion, twenty-one million, one thousand, twelve".