1224210131112 has 64 divisors (see below), whose sum is σ = 3065016542400. Its totient is φ = 407471482880.

The previous prime is 1224210131071. The next prime is 1224210131113. The reversal of 1224210131112 is 2111310124221.

It is not an unprimeable number, because it can be changed into a prime (1224210131113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132758662 + ... + 132767882.

It is an arithmetic number, because the mean of its divisors is an integer number (47890883475).

Almost surely, 2^{1224210131112} is an apocalyptic number.

1224210131112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224210131112 is an abundant number, since it is smaller than the sum of its proper divisors (1840806411288).

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

1224210131112 is a wasteful number, since it uses less digits than its factorization.

1224210131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16746 (or 16742 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1224210131112 its reverse (2111310124221), we get a palindrome (3335520255333).

The spelling of 1224210131112 in words is "one trillion, two hundred twenty-four billion, two hundred ten million, one hundred thirty-one thousand, one hundred twelve".