1251230224404 has 24 divisors (see below), whose sum is σ = 2998443601888. Its totient is φ = 405804396960.

The previous prime is 1251230224313. The next prime is 1251230224421. The reversal of 1251230224404 is 4044220321521.

It is a happy number.

It is a congruent number.

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, 1409042602 + ... + 1409043489.

Almost surely, 2^{1251230224404} is an apocalyptic number.

It is an amenable number.

1251230224404 is an abundant number, since it is smaller than the sum of its proper divisors (1747213377484).

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

1251230224404 is a wasteful number, since it uses less digits than its factorization.

1251230224404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818086135 (or 2818086133 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1251230224404 its reverse (4044220321521), we get a palindrome (5295450545925).

The spelling of 1251230224404 in words is "one trillion, two hundred fifty-one billion, two hundred thirty million, two hundred twenty-four thousand, four hundred four".