12001102012 has 48 divisors (see below), whose sum is σ = 23559459840. Its totient is φ = 5321840832.

The previous prime is 12001102007. The next prime is 12001102037. The reversal of 12001102012 is 21020110021.

It is a super-3 number, since 3×12001102012³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12001102012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9118 + ... + 155194.

It is an arithmetic number, because the mean of its divisors is an integer number (490822080).

Almost surely, 2^12001102012 is an apocalyptic number.

It is an amenable number.

12001102012 is a deficient number, since it is larger than the sum of its proper divisors (11558357828).

12001102012 is a wasteful number, since it uses less digits than its factorization.

12001102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146170 (or 146168 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12001102012 its reverse (21020110021), we get a palindrome (33021212033).

The spelling of 12001102012 in words is "twelve billion, one million, one hundred two thousand, twelve".