12001001112212 has 48 divisors (see below), whose sum is σ = 24530208460800. Its totient is φ = 5030255617632.

The previous prime is 12001001112169. The next prime is 12001001112227. The reversal of 12001001112212 is 21221110010021.

It is a super-2 number, since 2×12001001112212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1418138 + ... + 5100305.

It is an arithmetic number, because the mean of its divisors is an integer number (511046009600).

Almost surely, 2^{12001001112212} is an apocalyptic number.

It is an amenable number.

12001001112212 is an abundant number, since it is smaller than the sum of its proper divisors (12529207348588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001001112212 is a wasteful number, since it uses less digits than its factorization.

12001001112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519900 (or 6519898 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12001001112212 its reverse (21221110010021), we get a palindrome (33222111122233).

The spelling of 12001001112212 in words is "twelve trillion, one billion, one million, one hundred twelve thousand, two hundred twelve".