12020341210121 has 32 divisors (see below), whose sum is σ = 13210049669760. Its totient is φ = 10893473750016.

The previous prime is 12020341210117. The next prime is 12020341210159. The reversal of 12020341210121 is 12101214302021.

It is not a de Polignac number, because 12020341210121 - 2² = 12020341210117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12020341210093 and 12020341210102.

It is not an unprimeable number, because it can be changed into a prime (12020341210021) 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 31 ways as a sum of consecutive naturals, for example, 15868610 + ... + 16608836.

It is an arithmetic number, because the mean of its divisors is an integer number (412814052180).

Almost surely, 2^{12020341210121} is an apocalyptic number.

It is an amenable number.

12020341210121 is a deficient number, since it is larger than the sum of its proper divisors (1189708459639).

12020341210121 is a wasteful number, since it uses less digits than its factorization.

12020341210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740633.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12020341210121 its reverse (12101214302021), we get a palindrome (24121555512142).

The spelling of 12020341210121 in words is "twelve trillion, twenty billion, three hundred forty-one million, two hundred ten thousand, one hundred twenty-one".