12111200111010 has 1024 divisors, whose sum is σ = 44027365294080. Its totient is φ = 2048101355520.

The previous prime is 12111200111009. The next prime is 12111200111011. The reversal of 12111200111010 is 1011100211121.

It is an interprime number because it is at equal distance from previous prime (12111200111009) and next prime (12111200111011).

It is not an unprimeable number, because it can be changed into a prime (12111200111011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 485542599 + ... + 485567541.

It is an arithmetic number, because the mean of its divisors is an integer number (42995473920).

Almost surely, 2^{12111200111010} is an apocalyptic number.

12111200111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12111200111010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22013682647040).

12111200111010 is an abundant number, since it is smaller than the sum of its proper divisors (31916165183070).

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

12111200111010 is a wasteful number, since it uses less digits than its factorization.

12111200111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25063.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12111200111010 its reverse (1011100211121), we get a palindrome (13122300322131).

The spelling of 12111200111010 in words is "twelve trillion, one hundred eleven billion, two hundred million, one hundred eleven thousand, ten".