12000100120221 has 16 divisors (see below), whose sum is σ = 16248054435840. Its totient is φ = 7876419705840.

The previous prime is 12000100120213. The next prime is 12000100120241. The reversal of 12000100120221 is 12202100100021.

It is not a de Polignac number, because 12000100120221 - 2³ = 12000100120213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000100120197 and 12000100120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000100120241) 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, 39025225 + ... + 39331518.

It is an arithmetic number, because the mean of its divisors is an integer number (1015503402240).

Almost surely, 2^{12000100120221} is an apocalyptic number.

It is an amenable number.

12000100120221 is a deficient number, since it is larger than the sum of its proper divisors (4247954315619).

12000100120221 is an equidigital number, since it uses as much as digits as its factorization.

12000100120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78357536.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000100120221 its reverse (12202100100021), we get a palindrome (24202200220242).

The spelling of 12000100120221 in words is "twelve trillion, one hundred million, one hundred twenty thousand, two hundred twenty-one".