12020200002021 has 16 divisors (see below), whose sum is σ = 16238852308800. Its totient is φ = 7907860971648.

The previous prime is 12020200002017. The next prime is 12020200002029. The reversal of 12020200002021 is 12020000202021.

It is not a de Polignac number, because 12020200002021 - 2² = 12020200002017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020200001988 and 12020200002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020200002029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44087551 + ... + 44359356.

It is an arithmetic number, because the mean of its divisors is an integer number (1014928269300).

Almost surely, 2^{12020200002021} is an apocalyptic number.

It is an amenable number.

12020200002021 is a deficient number, since it is larger than the sum of its proper divisors (4218652306779).

12020200002021 is an equidigital number, since it uses as much as digits as its factorization.

12020200002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88447508.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12020200002021 its reverse (12020000202021), we get a palindrome (24040200204042).

The spelling of 12020200002021 in words is "twelve trillion, twenty billion, two hundred million, two thousand, twenty-one".