12031020002 has 8 divisors (see below), whose sum is σ = 18053617500. Its totient is φ = 6013147504.

The previous prime is 12031019993. The next prime is 12031020017. The reversal of 12031020002 is 20002013021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12022903201 + 8116801 = 109649^2 + 2849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1174877 + ... + 1185072.

Almost surely, 2^12031020002 is an apocalyptic number.

12031020002 is a deficient number, since it is larger than the sum of its proper divisors (6022597498).

12031020002 is a wasteful number, since it uses less digits than its factorization.

12031020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362500.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12031020002 its reverse (20002013021), we get a palindrome (32033033023).

The spelling of 12031020002 in words is "twelve billion, thirty-one million, twenty thousand, two".