1210122200112 has 160 divisors (see below), whose sum is σ = 3700455060480. Its totient is φ = 333418982400.

The previous prime is 1210122200099. The next prime is 1210122200143. The reversal of 1210122200112 is 2110022210121.

It is a junction number, because it is equal to n+sod(n) for n = 1210122200091 and 1210122200100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7943862 + ... + 8094762.

It is an arithmetic number, because the mean of its divisors is an integer number (23127844128).

Almost surely, 2^{1210122200112} is an apocalyptic number.

1210122200112 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 1210122200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1850227530240).

1210122200112 is an abundant number, since it is smaller than the sum of its proper divisors (2490332860368).

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

1210122200112 is a wasteful number, since it uses less digits than its factorization.

1210122200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151771 (or 151765 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210122200112 its reverse (2110022210121), we get a palindrome (3320144410233).

The spelling of 1210122200112 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, two hundred thousand, one hundred twelve".