21413241012 has 24 divisors (see below), whose sum is σ = 49968165856. Its totient is φ = 7137184608.

The previous prime is 21413240999. The next prime is 21413241013. The reversal of 21413241012 is 21014231412.

It is a self number, because there is not a number n which added to its sum of digits gives 21413241012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413241013) 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, 106038 + ... + 232530.

Almost surely, 2^21413241012 is an apocalyptic number.

It is an amenable number.

21413241012 is an abundant number, since it is smaller than the sum of its proper divisors (28554924844).

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

21413241012 is a wasteful number, since it uses less digits than its factorization.

21413241012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140607 (or 140605 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21413241012 its reverse (21014231412), we get a palindrome (42427472424).

The spelling of 21413241012 in words is "twenty-one billion, four hundred thirteen million, two hundred forty-one thousand, twelve".