21412212301 has 8 divisors (see below), whose sum is σ = 21525039360. Its totient is φ = 21299427408.

The previous prime is 21412212281. The next prime is 21412212307. The reversal of 21412212301 is 10321221412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21412212301 - 2⁹ = 21412211789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412212307) 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, 1932760 + ... + 1943806.

It is an arithmetic number, because the mean of its divisors is an integer number (2690629920).

Almost surely, 2^21412212301 is an apocalyptic number.

It is an amenable number.

21412212301 is a deficient number, since it is larger than the sum of its proper divisors (112827059).

21412212301 is a wasteful number, since it uses less digits than its factorization.

21412212301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21083.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21412212301 its reverse (10321221412), we get a palindrome (31733433713).

The spelling of 21412212301 in words is "twenty-one billion, four hundred twelve million, two hundred twelve thousand, three hundred one".