12101412 has 12 divisors (see below), whose sum is σ = 28236656. Its totient is φ = 4033800.

The previous prime is 12101407. The next prime is 12101417. The reversal of 12101412 is 21410121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12101407) and next prime (12101417).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1008451 = 12101412 / (1 + 2 + 1 + 0 + 1 + 4 + 1 + 2).

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

It is not an unprimeable number, because it can be changed into a prime (12101417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504214 + ... + 504237.

Almost surely, 2^12101412 is an apocalyptic number.

12101412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101412 is an abundant number, since it is smaller than the sum of its proper divisors (16135244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101412 is a wasteful number, since it uses less digits than its factorization.

12101412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008458 (or 1008456 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12101412 is about 3478.7083809943. The cubic root of 12101412 is about 229.5859722235.

Adding to 12101412 its reverse (21410121), we get a palindrome (33511533).

The spelling of 12101412 in words is "twelve million, one hundred one thousand, four hundred twelve".