21234222434002 has 8 divisors (see below), whose sum is σ = 31852116495756. Its totient is φ = 10616850268752.

The previous prime is 21234222433997. The next prime is 21234222434021. The reversal of 21234222434002 is 20043422243212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17767919470401 + 3466302963601 = 4215201^2 + 1861801^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130372393 + ... + 130535164.

Almost surely, 2^{21234222434002} is an apocalyptic number.

21234222434002 is a deficient number, since it is larger than the sum of its proper divisors (10617894061754).

21234222434002 is a wasteful number, since it uses less digits than its factorization.

21234222434002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260948252.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 21234222434002 its reverse (20043422243212), we get a palindrome (41277644677214).

The spelling of 21234222434002 in words is "twenty-one trillion, two hundred thirty-four billion, two hundred twenty-two million, four hundred thirty-four thousand, two".