10212789573438 has 32 divisors (see below), whose sum is σ = 20902788720000. Its totient is φ = 3324744899616.

The previous prime is 10212789573431. The next prime is 10212789573439. The reversal of 10212789573438 is 83437598721201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212789573431) 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, 386188 + ... + 4535936.

It is an arithmetic number, because the mean of its divisors is an integer number (653212147500).

Almost surely, 2^{10212789573438} is an apocalyptic number.

10212789573438 is an abundant number, since it is smaller than the sum of its proper divisors (10689999146562).

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

10212789573438 is a wasteful number, since it uses less digits than its factorization.

10212789573438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159336.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 10212789573438 in words is "ten trillion, two hundred twelve billion, seven hundred eighty-nine million, five hundred seventy-three thousand, four hundred thirty-eight".