21214064325242 has 8 divisors (see below), whose sum is σ = 31828747641600. Its totient is φ = 10604481778044.

The previous prime is 21214064325221. The next prime is 21214064325281. The reversal of 21214064325242 is 24252346041212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21214064325196 and 21214064325205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275181892 + ... + 1275198527.

It is an arithmetic number, because the mean of its divisors is an integer number (3978593455200).

Almost surely, 2^{21214064325242} is an apocalyptic number.

21214064325242 is a deficient number, since it is larger than the sum of its proper divisors (10614683316358).

21214064325242 is a wasteful number, since it uses less digits than its factorization.

21214064325242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550384580.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 21214064325242 in words is "twenty-one trillion, two hundred fourteen billion, sixty-four million, three hundred twenty-five thousand, two hundred forty-two".