21230210034044 has 48 divisors (see below), whose sum is σ = 42946120492800. Its totient is φ = 9081651312000.

The previous prime is 21230210034041. The next prime is 21230210034053. The reversal of 21230210034044 is 44043001203212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230210034041) 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, 83963129 + ... + 84215600.

It is an arithmetic number, because the mean of its divisors is an integer number (894710843600).

Almost surely, 2^{21230210034044} is an apocalyptic number.

It is an amenable number.

21230210034044 is an abundant number, since it is smaller than the sum of its proper divisors (21715910458756).

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

21230210034044 is a wasteful number, since it uses less digits than its factorization.

21230210034044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168178914 (or 168178912 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21230210034044 its reverse (44043001203212), we get a palindrome (65273211237256).

The spelling of 21230210034044 in words is "twenty-one trillion, two hundred thirty billion, two hundred ten million, thirty-four thousand, forty-four".