1210222113126 has 64 divisors (see below), whose sum is σ = 2611270158336. Its totient is φ = 371714112000.

The previous prime is 1210222113097. The next prime is 1210222113127. The reversal of 1210222113126 is 6213112220121.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1210222113096 and 1210222113105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210222113127) 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 31 ways as a sum of consecutive naturals, for example, 111566635 + ... + 111577481.

It is an arithmetic number, because the mean of its divisors is an integer number (40801096224).

Almost surely, 2^{1210222113126} is an apocalyptic number.

1210222113126 is an abundant number, since it is smaller than the sum of its proper divisors (1401048045210).

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

1210222113126 is a wasteful number, since it uses less digits than its factorization.

1210222113126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13277.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1210222113126 its reverse (6213112220121), we get a palindrome (7423334333247).

The spelling of 1210222113126 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-six".