1122144203312 has 40 divisors (see below), whose sum is σ = 2375150339280. Its totient is φ = 509346074880.

The previous prime is 1122144203293. The next prime is 1122144203371. The reversal of 1122144203312 is 2133024412211.

It is a happy number.

It is a super-2 number, since 2×1122144203312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371563 + ... + 4621130.

It is an arithmetic number, because the mean of its divisors is an integer number (59378758482).

Almost surely, 2^{1122144203312} is an apocalyptic number.

It is an amenable number.

1122144203312 is an abundant number, since it is smaller than the sum of its proper divisors (1253006135968).

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

1122144203312 is a wasteful number, since it uses less digits than its factorization.

1122144203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993421 (or 8993415 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1122144203312 its reverse (2133024412211), we get a palindrome (3255168615523).

The spelling of 1122144203312 in words is "one trillion, one hundred twenty-two billion, one hundred forty-four million, two hundred three thousand, three hundred twelve".