21241412001 has 16 divisors (see below), whose sum is σ = 31471144000. Its totient is φ = 14159867904.

The previous prime is 21241411913. The next prime is 21241412077. The reversal of 21241412001 is 10021414212.

21241412001 is a `hidden beast` number, since 212 + 41 + 412 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 21241412001 - 2⁹ = 21241411489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21241412081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511905 + ... + 551841.

It is an arithmetic number, because the mean of its divisors is an integer number (1966946500).

Almost surely, 2^21241412001 is an apocalyptic number.

It is an amenable number.

21241412001 is a deficient number, since it is larger than the sum of its proper divisors (10229731999).

21241412001 is a wasteful number, since it uses less digits than its factorization.

21241412001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59645 (or 59639 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 21241412001 its reverse (10021414212), we get a palindrome (31262826213).

The spelling of 21241412001 in words is "twenty-one billion, two hundred forty-one million, four hundred twelve thousand, one".