1224131212404 has 48 divisors (see below), whose sum is σ = 3173734267200. Its totient is φ = 408035926368.

The previous prime is 1224131212391. The next prime is 1224131212453. The reversal of 1224131212404 is 4042121314221.

1224131212404 is a `hidden beast` number, since 1 + 2 + 2 + 41 + 3 + 1 + 212 + 404 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9399259 + ... + 9528605.

It is an arithmetic number, because the mean of its divisors is an integer number (66119463900).

Almost surely, 2^{1224131212404} is an apocalyptic number.

It is an amenable number.

1224131212404 is an abundant number, since it is smaller than the sum of its proper divisors (1949603054796).

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

1224131212404 is a wasteful number, since it uses less digits than its factorization.

1224131212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216989 (or 216981 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1224131212404 its reverse (4042121314221), we get a palindrome (5266252526625).

The spelling of 1224131212404 in words is "one trillion, two hundred twenty-four billion, one hundred thirty-one million, two hundred twelve thousand, four hundred four".