12212020010121 has 16 divisors (see below), whose sum is σ = 16325653622784. Its totient is φ = 8119871426304.

The previous prime is 12212020010087. The next prime is 12212020010147. The reversal of 12212020010121 is 12101002021221.

12212020010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12212020010121 - 2¹¹ = 12212020008073 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212020010121.

It is not an unprimeable number, because it can be changed into a prime (12212020010621) 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, 9453441 + ... + 10667313.

It is an arithmetic number, because the mean of its divisors is an integer number (1020353351424).

Almost surely, 2^{12212020010121} is an apocalyptic number.

It is an amenable number.

12212020010121 is a deficient number, since it is larger than the sum of its proper divisors (4113633612663).

12212020010121 is a wasteful number, since it uses less digits than its factorization.

12212020010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222720.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12212020010121 its reverse (12101002021221), we get a palindrome (24313022031342).

The spelling of 12212020010121 in words is "twelve trillion, two hundred twelve billion, twenty million, ten thousand, one hundred twenty-one".