1224430032312 has 160 divisors (see below), whose sum is σ = 3564670309200. Its totient is φ = 392327318016.

The previous prime is 1224430032263. The next prime is 1224430032313. The reversal of 1224430032312 is 2132300344221.

1224430032312 is a `hidden beast` number, since 1 + 2 + 2 + 44 + 300 + 3 + 2 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224430032313) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1682364 + ... + 2297652.

Almost surely, 2^{1224430032312} is an apocalyptic number.

1224430032312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224430032312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782335154600).

1224430032312 is an abundant number, since it is smaller than the sum of its proper divisors (2340240276888).

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

1224430032312 is a wasteful number, since it uses less digits than its factorization.

1224430032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615427 (or 615414 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1224430032312 its reverse (2132300344221), we get a palindrome (3356730376533).

The spelling of 1224430032312 in words is "one trillion, two hundred twenty-four billion, four hundred thirty million, thirty-two thousand, three hundred twelve".