12142362634 has 4 divisors (see below), whose sum is σ = 18213543954. Its totient is φ = 6071181316.

The previous prime is 12142362619. The next prime is 12142362637. The reversal of 12142362634 is 43626324121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8761521609 + 3380841025 = 93603^2 + 58145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12142362634.

It is not an unprimeable number, because it can be changed into a prime (12142362637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035590657 + ... + 3035590660.

Almost surely, 2^12142362634 is an apocalyptic number.

12142362634 is a deficient number, since it is larger than the sum of its proper divisors (6071181320).

12142362634 is an equidigital number, since it uses as much as digits as its factorization.

12142362634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071181319.

The product of its digits is 41472, while the sum is 34.

Adding to 12142362634 its reverse (43626324121), we get a palindrome (55768686755).

The spelling of 12142362634 in words is "twelve billion, one hundred forty-two million, three hundred sixty-two thousand, six hundred thirty-four".