105321412 has 24 divisors (see below), whose sum is σ = 212166080. Its totient is φ = 44811360.

The previous prime is 105321401. The next prime is 105321413. The reversal of 105321412 is 214123501.

It is a super-2 number, since 2×105321412² = 22185199651347488, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 105321412.

It is not an unprimeable number, because it can be changed into a prime (105321413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9639 + ... + 17422.

Almost surely, 2^105321412 is an apocalyptic number.

It is an amenable number.

105321412 is an abundant number, since it is smaller than the sum of its proper divisors (106844668).

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

105321412 is a wasteful number, since it uses less digits than its factorization.

105321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27211 (or 27209 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105321412 is about 10262.6220820997. The cubic root of 105321412 is about 472.2502802203.

Adding to 105321412 its reverse (214123501), we get a palindrome (319444913).

The spelling of 105321412 in words is "one hundred five million, three hundred twenty-one thousand, four hundred twelve".