12011212022012 has 24 divisors (see below), whose sum is σ = 24533539451904. Its totient is φ = 5038137564912.

The previous prime is 12011212022003. The next prime is 12011212022023. The reversal of 12011212022012 is 21022021211021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563529088 + ... + 4563531719.

It is an arithmetic number, because the mean of its divisors is an integer number (1022230810496).

Almost surely, 2^{12011212022012} is an apocalyptic number.

It is an amenable number.

12011212022012 is an abundant number, since it is smaller than the sum of its proper divisors (12522327429892).

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

12011212022012 is a wasteful number, since it uses less digits than its factorization.

12011212022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127060865 (or 9127060863 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12011212022012 its reverse (21022021211021), we get a palindrome (33033233233033).

The spelling of 12011212022012 in words is "twelve trillion, eleven billion, two hundred twelve million, twenty-two thousand, twelve".