12101426 has 4 divisors (see below), whose sum is σ = 18152142. Its totient is φ = 6050712.

The previous prime is 12101417. The next prime is 12101443. The reversal of 12101426 is 62410121.

12101426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62410121 = 1621 ⋅38501.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 1957201 = 3185^2 + 1399^2 .

It is a super-2 number, since 2×12101426² = 292889022466952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025355 + ... + 3025358.

Almost surely, 2^12101426 is an apocalyptic number.

12101426 is a deficient number, since it is larger than the sum of its proper divisors (6050716).

12101426 is an equidigital number, since it uses as much as digits as its factorization.

12101426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050715.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12101426 is about 3478.7103932348. The cubic root of 12101426 is about 229.5860607586.

Adding to 12101426 its reverse (62410121), we get a palindrome (74511547).

The spelling of 12101426 in words is "twelve million, one hundred one thousand, four hundred twenty-six".