12011201112012 has 24 divisors (see below), whose sum is σ = 28026192994800. Its totient is φ = 4003725551616.

The previous prime is 12011201111993. The next prime is 12011201112013. The reversal of 12011201112012 is 21021110211021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011201111982 and 12011201112000.

It is not an unprimeable number, because it can be changed into a prime (12011201112013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9297564 + ... + 10510332.

It is an arithmetic number, because the mean of its divisors is an integer number (1167758041450).

Almost surely, 2^{12011201112012} is an apocalyptic number.

12011201112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12011201112012 is an abundant number, since it is smaller than the sum of its proper divisors (16014991882788).

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

12011201112012 is a wasteful number, since it uses less digits than its factorization.

12011201112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038105 (or 2038103 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12011201112012 its reverse (21021110211021), we get a palindrome (33032311323033).

Subtracting 12011201112012 from its reverse (21021110211021), we obtain a palindrome (9009909099009).

It can be divided in two parts, 1201120 and 1112012, that added together give a palindrome (2313132).

The spelling of 12011201112012 in words is "twelve trillion, eleven billion, two hundred one million, one hundred twelve thousand, twelve".