12212210010121 has 64 divisors (see below), whose sum is σ = 14619019345920. Its totient is φ = 10071758592000.

The previous prime is 12212210010103. The next prime is 12212210010137. The reversal of 12212210010121 is 12101001221221.

It is a cyclic number.

It is not a de Polignac number, because 12212210010121 - 2¹⁵ = 12212209977353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12212210010095 and 12212210010104.

It is not an unprimeable number, because it can be changed into a prime (12212211010121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1646512405 + ... + 1646519821.

It is an arithmetic number, because the mean of its divisors is an integer number (228422177280).

Almost surely, 2^{12212210010121} is an apocalyptic number.

12212210010121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212210010121 is a deficient number, since it is larger than the sum of its proper divisors (2406809335799).

12212210010121 is a wasteful number, since it uses less digits than its factorization.

12212210010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212210010121 its reverse (12101001221221), we get a palindrome (24313211231342).

The spelling of 12212210010121 in words is "twelve trillion, two hundred twelve billion, two hundred ten million, ten thousand, one hundred twenty-one".