83212222221238 has 24 divisors (see below), whose sum is σ = 137197710990144. Its totient is φ = 37823544398640.

The previous prime is 83212222221223. The next prime is 83212222221251.

83212222221238 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 83212222221238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53639995 + ... + 55169497.

It is an arithmetic number, because the mean of its divisors is an integer number (5716571291256).

Almost surely, 2^{83212222221238} is an apocalyptic number.

83212222221238 is a deficient number, since it is larger than the sum of its proper divisors (53985488768906).

83212222221238 is a wasteful number, since it uses less digits than its factorization.

83212222221238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754340 (or 1754329 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The spelling of 83212222221238 in words is "eighty-three trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred thirty-eight".