1241231562351 has 96 divisors (see below), whose sum is σ = 2014890868224. Its totient is φ = 729945216000.

The previous prime is 1241231562349. The next prime is 1241231562359. The reversal of 1241231562351 is 1532651321421.

1241231562351 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 23 + 1 + 5 + 623 + 5 + 1 = 666.

It is not a de Polignac number, because 1241231562351 - 2¹ = 1241231562349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241231562359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 267331636 + ... + 267336278.

It is an arithmetic number, because the mean of its divisors is an integer number (20988446544).

Almost surely, 2^{1241231562351} is an apocalyptic number.

1241231562351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1241231562351 is a deficient number, since it is larger than the sum of its proper divisors (773659305873).

1241231562351 is a wasteful number, since it uses less digits than its factorization.

1241231562351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325 (or 5322 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 1241231562351 its reverse (1532651321421), we get a palindrome (2773882883772).

The spelling of 1241231562351 in words is "one trillion, two hundred forty-one billion, two hundred thirty-one million, five hundred sixty-two thousand, three hundred fifty-one".