1131224234412 has 24 divisors (see below), whose sum is σ = 2643801226416. Its totient is φ = 376463600128.

The previous prime is 1131224234377. The next prime is 1131224234423. The reversal of 1131224234412 is 2144324221311.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1131224234412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76385373 + ... + 76400180.

It is an arithmetic number, because the mean of its divisors is an integer number (110158384434).

Almost surely, 2^{1131224234412} is an apocalyptic number.

1131224234412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131224234412 is an abundant number, since it is smaller than the sum of its proper divisors (1512576992004).

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

1131224234412 is a wasteful number, since it uses less digits than its factorization.

1131224234412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152786177 (or 152786175 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 1131224234412 its reverse (2144324221311), we get a palindrome (3275548455723).

The spelling of 1131224234412 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-four million, two hundred thirty-four thousand, four hundred twelve".