12142434651 has 8 divisors (see below), whose sum is σ = 16234028544. Its totient is φ = 8072898600.

The previous prime is 12142434649. The next prime is 12142434701. The reversal of 12142434651 is 15643424121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12142434651 - 2¹ = 12142434649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12142434611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513175 + ... + 5515376.

It is an arithmetic number, because the mean of its divisors is an integer number (2029253568).

Almost surely, 2^12142434651 is an apocalyptic number.

12142434651 is a deficient number, since it is larger than the sum of its proper divisors (4091593893).

12142434651 is a wasteful number, since it uses less digits than its factorization.

12142434651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11028921.

The product of its digits is 23040, while the sum is 33.

Adding to 12142434651 its reverse (15643424121), we get a palindrome (27785858772).

The spelling of 12142434651 in words is "twelve billion, one hundred forty-two million, four hundred thirty-four thousand, six hundred fifty-one".