12020100100121 has 8 divisors (see below), whose sum is σ = 12436337134080. Its totient is φ = 11603979787792.

The previous prime is 12020100100081. The next prime is 12020100100147. The reversal of 12020100100121 is 12100100102021.

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

It is a cyclic number.

It is not a de Polignac number, because 12020100100121 - 2³⁴ = 12002920230937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12020100100721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28970855 + ... + 29382828.

It is an arithmetic number, because the mean of its divisors is an integer number (1554542141760).

Almost surely, 2^{12020100100121} is an apocalyptic number.

It is an amenable number.

12020100100121 is a deficient number, since it is larger than the sum of its proper divisors (416237033959).

12020100100121 is an equidigital number, since it uses as much as digits as its factorization.

12020100100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58360815.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12020100100121 its reverse (12100100102021), we get a palindrome (24120200202142).

The spelling of 12020100100121 in words is "twelve trillion, twenty billion, one hundred million, one hundred thousand, one hundred twenty-one".