112001001210 has 224 divisors, whose sum is σ = 357361683840. Its totient is φ = 24717135744.

The previous prime is 112001001173. The next prime is 112001001223. The reversal of 112001001210 is 12100100211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 112001001192 and 112001001201.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1442029 + ... + 1517711.

It is an arithmetic number, because the mean of its divisors is an integer number (1595364660).

Almost surely, 2^112001001210 is an apocalyptic number.

112001001210 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 112001001210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178680841920).

112001001210 is an abundant number, since it is smaller than the sum of its proper divisors (245360682630).

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

112001001210 is an equidigital number, since it uses as much as digits as its factorization.

112001001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75744 (or 75729 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 112001001210 its reverse (12100100211), we get a palindrome (124101101421).

Subtracting from 112001001210 its reverse (12100100211), we obtain a palindrome (99900900999).

The spelling of 112001001210 in words is "one hundred twelve billion, one million, one thousand, two hundred ten".