12142434650 has 48 divisors (see below), whose sum is σ = 22993227000. Its totient is φ = 4769909760.

The previous prime is 12142434649. The next prime is 12142434701. The reversal of 12142434650 is 5643424121.

It can be written as a sum of positive squares in 12 ways, for example, as 844657969 + 11297776681 = 29063^2 + 106291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 653894 + ... + 672206.

Almost surely, 2^12142434650 is an apocalyptic number.

12142434650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142434650 is a deficient number, since it is larger than the sum of its proper divisors (10850792350).

12142434650 is a wasteful number, since it uses less digits than its factorization.

12142434650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18563 (or 18558 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 12142434650 its reverse (5643424121), we get a palindrome (17785858771).

The spelling of 12142434650 in words is "twelve billion, one hundred forty-two million, four hundred thirty-four thousand, six hundred fifty".