1232451215344 has 20 divisors (see below), whose sum is σ = 2387894158296. Its totient is φ = 616220464832.

The previous prime is 1232451215297. The next prime is 1232451215351. The reversal of 1232451215344 is 4435121542321.

It is a super-2 number, since 2×1232451215344² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2306907 + ... + 2790469.

Almost surely, 2^{1232451215344} is an apocalyptic number.

It is an amenable number.

1232451215344 is a deficient number, since it is larger than the sum of its proper divisors (1155442942952).

1232451215344 is a wasteful number, since it uses less digits than its factorization.

1232451215344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642864 (or 642858 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

Adding to 1232451215344 its reverse (4435121542321), we get a palindrome (5667572757665).

The spelling of 1232451215344 in words is "one trillion, two hundred thirty-two billion, four hundred fifty-one million, two hundred fifteen thousand, three hundred forty-four".