212647099238 has 8 divisors (see below), whose sum is σ = 364537884432. Its totient is φ = 91134471096.

The previous prime is 212647099193. The next prime is 212647099243. The reversal of 212647099238 is 832990746212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212647099238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7594539245 + ... + 7594539272.

It is an arithmetic number, because the mean of its divisors is an integer number (45567235554).

Almost surely, 2^212647099238 is an apocalyptic number.

212647099238 is a deficient number, since it is larger than the sum of its proper divisors (151890785194).

212647099238 is a wasteful number, since it uses less digits than its factorization.

212647099238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15189078526.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 212647099238 in words is "two hundred twelve billion, six hundred forty-seven million, ninety-nine thousand, two hundred thirty-eight".