12212000010121 has 8 divisors (see below), whose sum is σ = 12419176217760. Its totient is φ = 12004830241152.

The previous prime is 12212000010109. The next prime is 12212000010139. The reversal of 12212000010121 is 12101000021221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212000010121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212000010181) 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, 2295526 + ... + 5449168.

It is an arithmetic number, because the mean of its divisors is an integer number (1552397027220).

Almost surely, 2^{12212000010121} is an apocalyptic number.

It is an amenable number.

12212000010121 is a deficient number, since it is larger than the sum of its proper divisors (207176207639).

12212000010121 is an equidigital number, since it uses as much as digits as its factorization.

12212000010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219335.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212000010121 its reverse (12101000021221), we get a palindrome (24313000031342).

The spelling of 12212000010121 in words is "twelve trillion, two hundred twelve billion, ten thousand, one hundred twenty-one".