12101434 has 4 divisors (see below), whose sum is σ = 18152154. Its totient is φ = 6050716.

The previous prime is 12101417. The next prime is 12101443. The reversal of 12101434 is 43410121.

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., 8850625 + 3250809 = 2975^2 + 1803^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025357 + ... + 3025360.

Almost surely, 2^12101434 is an apocalyptic number.

12101434 is a deficient number, since it is larger than the sum of its proper divisors (6050720).

12101434 is an equidigital number, since it uses as much as digits as its factorization.

12101434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050719.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12101434 is about 3478.7115430860. The cubic root of 12101434 is about 229.5861113501.

Adding to 12101434 its reverse (43410121), we get a palindrome (55511555).

The spelling of 12101434 in words is "twelve million, one hundred one thousand, four hundred thirty-four".