12120202002021 has 16 divisors (see below), whose sum is σ = 16404652718208. Its totient is φ = 7958175948800.

The previous prime is 12120202002019. The next prime is 12120202002037. The reversal of 12120202002021 is 12020020202121.

It is a cyclic number.

It is not a de Polignac number, because 12120202002021 - 2¹ = 12120202002019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120202002091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28912860 + ... + 29329061.

It is an arithmetic number, because the mean of its divisors is an integer number (1025290794888).

Almost surely, 2^{12120202002021} is an apocalyptic number.

It is an amenable number.

12120202002021 is a deficient number, since it is larger than the sum of its proper divisors (4284450716187).

12120202002021 is an equidigital number, since it uses as much as digits as its factorization.

12120202002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58242972.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12120202002021 its reverse (12020020202121), we get a palindrome (24140222204142).

The spelling of 12120202002021 in words is "twelve trillion, one hundred twenty billion, two hundred two million, two thousand, twenty-one".