12212200010121 has 32 divisors (see below), whose sum is σ = 16736527142400. Its totient is φ = 7915028244480.

The previous prime is 12212200010063. The next prime is 12212200010137. The reversal of 12212200010121 is 12101000221221.

It is not a de Polignac number, because 12212200010121 - 2²² = 12212195815817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12212200010121.

It is not an unprimeable number, because it can be changed into a prime (12212200010821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890679456 + ... + 890693166.

It is an arithmetic number, because the mean of its divisors is an integer number (523016473200).

Almost surely, 2^{12212200010121} is an apocalyptic number.

It is an amenable number.

12212200010121 is a deficient number, since it is larger than the sum of its proper divisors (4524327132279).

12212200010121 is a wasteful number, since it uses less digits than its factorization.

12212200010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19649.

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

Adding to 12212200010121 its reverse (12101000221221), we get a palindrome (24313200231342).

The spelling of 12212200010121 in words is "twelve trillion, two hundred twelve billion, two hundred million, ten thousand, one hundred twenty-one".