1210011200112 has 320 divisors, whose sum is σ = 3729578291712. Its totient is φ = 333227520000.

The previous prime is 1210011200081. The next prime is 1210011200119. The reversal of 1210011200112 is 2110021100121.

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 (1210011200119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125475963 + ... + 125485605.

Almost surely, 2^{1210011200112} is an apocalyptic number.

1210011200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210011200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864789145856).

1210011200112 is an abundant number, since it is smaller than the sum of its proper divisors (2519567091600).

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

1210011200112 is a wasteful number, since it uses less digits than its factorization.

1210011200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9960 (or 9954 counting only the distinct ones).

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

Adding to 1210011200112 its reverse (2110021100121), we get a palindrome (3320032300233).

Subtracting 1210011200112 from its reverse (2110021100121), we obtain a palindrome (900009900009).

The spelling of 1210011200112 in words is "one trillion, two hundred ten billion, eleven million, two hundred thousand, one hundred twelve".