12344201551 has 16 divisors (see below), whose sum is σ = 14396997888. Its totient is φ = 10459324800.

The previous prime is 12344201537. The next prime is 12344201579. The reversal of 12344201551 is 15510244321.

It is a de Polignac number, because none of the positive numbers 2^k-12344201551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344201521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301185 + ... + 339706.

It is an arithmetic number, because the mean of its divisors is an integer number (899812368).

Almost surely, 2^12344201551 is an apocalyptic number.

12344201551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12344201551 is a deficient number, since it is larger than the sum of its proper divisors (2052796337).

12344201551 is a wasteful number, since it uses less digits than its factorization.

12344201551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641022.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12344201551 its reverse (15510244321), we get a palindrome (27854445872).

The spelling of 12344201551 in words is "twelve billion, three hundred forty-four million, two hundred one thousand, five hundred fifty-one".