12340015351 has 4 divisors (see below), whose sum is σ = 12351780000. Its totient is φ = 12328250704.

The previous prime is 12340015349. The next prime is 12340015357. The reversal of 12340015351 is 15351004321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15351004321 = 49169 ⋅312209.

It is a cyclic number.

It is not a de Polignac number, because 12340015351 - 2¹ = 12340015349 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 (12340015357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5880751 + ... + 5882848.

It is an arithmetic number, because the mean of its divisors is an integer number (3087945000).

Almost surely, 2^12340015351 is an apocalyptic number.

12340015351 is a deficient number, since it is larger than the sum of its proper divisors (11764649).

12340015351 is a wasteful number, since it uses less digits than its factorization.

12340015351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11764648.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 12340015351 its reverse (15351004321), we get a palindrome (27691019672).

The spelling of 12340015351 in words is "twelve billion, three hundred forty million, fifteen thousand, three hundred fifty-one".