12012011012 has 12 divisors (see below), whose sum is σ = 21022310400. Its totient is φ = 6005636616.

The previous prime is 12012011009. The next prime is 12012011021. The reversal of 12012011012 is 21011021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012010984 and 12012011002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11012 + ... + 155387.

It is an arithmetic number, because the mean of its divisors is an integer number (1751859200).

Almost surely, 2^12012011012 is an apocalyptic number.

It is an amenable number.

12012011012 is a deficient number, since it is larger than the sum of its proper divisors (9010299388).

12012011012 is a wasteful number, since it uses less digits than its factorization.

12012011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184450 (or 184448 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12012011012 its reverse (21011021021), we get a palindrome (33023032033).

The spelling of 12012011012 in words is "twelve billion, twelve million, eleven thousand, twelve".