12101000231212 has 24 divisors (see below), whose sum is σ = 21319424582400. Its totient is φ = 6009839660880.

The previous prime is 12101000231207. The next prime is 12101000231233. The reversal of 12101000231212 is 21213200010121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12481864 + ... + 13416367.

It is an arithmetic number, because the mean of its divisors is an integer number (888309357600).

Almost surely, 2^{12101000231212} is an apocalyptic number.

It is an amenable number.

12101000231212 is a deficient number, since it is larger than the sum of its proper divisors (9218424351188).

12101000231212 is a wasteful number, since it uses less digits than its factorization.

12101000231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25899021 (or 25899019 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12101000231212 its reverse (21213200010121), we get a palindrome (33314200241333).

The spelling of 12101000231212 in words is "twelve trillion, one hundred one billion, two hundred thirty-one thousand, two hundred twelve".