11212130144 has 24 divisors (see below), whose sum is σ = 22077763848. Its totient is φ = 5605079040.

The previous prime is 11212130131. The next prime is 11212130161. The reversal of 11212130144 is 44103121211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175139 + ... + 230429.

It is an arithmetic number, because the mean of its divisors is an integer number (919906827).

Almost surely, 2^11212130144 is an apocalyptic number.

It is an amenable number.

11212130144 is a deficient number, since it is larger than the sum of its proper divisors (10865633704).

11212130144 is an equidigital number, since it uses as much as digits as its factorization.

11212130144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61638 (or 61630 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11212130144 its reverse (44103121211), we get a palindrome (55315251355).

The spelling of 11212130144 in words is "eleven billion, two hundred twelve million, one hundred thirty thousand, one hundred forty-four".