21230044003212 has 96 divisors (see below), whose sum is σ = 59706722363904. Its totient is φ = 5791657344000.

The previous prime is 21230044003199. The next prime is 21230044003237.

It is a happy number.

21230044003212 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205618039 + ... + 205721262.

It is an arithmetic number, because the mean of its divisors is an integer number (621945024624).

Almost surely, 2^{21230044003212} is an apocalyptic number.

21230044003212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21230044003212 is an abundant number, since it is smaller than the sum of its proper divisors (38476678360692).

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

21230044003212 is a wasteful number, since it uses less digits than its factorization.

21230044003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411339359 (or 411339357 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 2123004 and 4003212, that added together give a palindrome (6126216).

The spelling of 21230044003212 in words is "twenty-one trillion, two hundred thirty billion, forty-four million, three thousand, two hundred twelve".