12001002111212 has 48 divisors (see below), whose sum is σ = 21303204249600. Its totient is φ = 5914947278400.

The previous prime is 12001002111211. The next prime is 12001002111251. The reversal of 12001002111212 is 21211120010021.

It is a super-2 number, since 2×12001002111212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12001002111211) 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, 127515989 + ... + 127610067.

It is an arithmetic number, because the mean of its divisors is an integer number (443816755200).

Almost surely, 2^{12001002111212} is an apocalyptic number.

It is an amenable number.

12001002111212 is a deficient number, since it is larger than the sum of its proper divisors (9302202138388).

12001002111212 is a wasteful number, since it uses less digits than its factorization.

12001002111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95606 (or 95604 counting only the distinct ones).

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

Adding to 12001002111212 its reverse (21211120010021), we get a palindrome (33212122121233).

The spelling of 12001002111212 in words is "twelve trillion, one billion, two million, one hundred eleven thousand, two hundred twelve".