2011111212000 has 192 divisors, whose sum is σ = 7187346286848. Its totient is φ = 487542080000.

The previous prime is 2011111211987. The next prime is 2011111212001. The reversal of 2011111212000 is 2121111102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011111212001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7485846 + ... + 7749845.

It is an arithmetic number, because the mean of its divisors is an integer number (37434095244).

Almost surely, 2^{2011111212000} is an apocalyptic number.

2011111212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011111212000 is an abundant number, since it is smaller than the sum of its proper divisors (5176235074848).

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

2011111212000 is a wasteful number, since it uses less digits than its factorization.

2011111212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235730 (or 15235712 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011111212000 its reverse (2121111102), we get a palindrome (2013232323102).

The spelling of 2011111212000 in words is "two trillion, eleven billion, one hundred eleven million, two hundred twelve thousand".