12013001012 has 6 divisors (see below), whose sum is σ = 21022751778. Its totient is φ = 6006500504.

The previous prime is 12013001003. The next prime is 12013001029. The reversal of 12013001012 is 21010031021.

It can be written as a sum of positive squares in only one way, i.e., 7438372516 + 4574628496 = 86246^2 + 67636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12013000984 and 12013001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501625123 + ... + 1501625130.

It is an arithmetic number, because the mean of its divisors is an integer number (3503791963).

Almost surely, 2^12013001012 is an apocalyptic number.

It is an amenable number.

12013001012 is a deficient number, since it is larger than the sum of its proper divisors (9009750766).

12013001012 is a wasteful number, since it uses less digits than its factorization.

12013001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003250257 (or 3003250255 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12013001012 its reverse (21010031021), we get a palindrome (33023032033).

The spelling of 12013001012 in words is "twelve billion, thirteen million, one thousand, twelve".