12020001021002 has 8 divisors (see below), whose sum is σ = 19416924726276. Its totient is φ = 5547692778912.

The previous prime is 12020001020987. The next prime is 12020001021043. The reversal of 12020001021002 is 20012010002021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8427577374841 + 3592423646161 = 2903029^2 + 1895369^2 .

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, 231153865763 + ... + 231153865814.

Almost surely, 2^{12020001021002} is an apocalyptic number.

12020001021002 is a deficient number, since it is larger than the sum of its proper divisors (7396923705274).

12020001021002 is a wasteful number, since it uses less digits than its factorization.

12020001021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462307731592.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020001021002 its reverse (20012010002021), we get a palindrome (32032011023023).

The spelling of 12020001021002 in words is "twelve trillion, twenty billion, one million, twenty-one thousand, two".