82212066402 has 48 divisors (see below), whose sum is σ = 180299557632. Its totient is φ = 24960003840.

The previous prime is 82212066379. The next prime is 82212066427. The reversal of 82212066402 is 20466021228.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710953 + ... + 818460.

It is an arithmetic number, because the mean of its divisors is an integer number (3756240784).

Almost surely, 2^82212066402 is an apocalyptic number.

82212066402 is an abundant number, since it is smaller than the sum of its proper divisors (98087491230).

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

82212066402 is a wasteful number, since it uses less digits than its factorization.

82212066402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529483 (or 1529466 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 82212066402 in words is "eighty-two billion, two hundred twelve million, sixty-six thousand, four hundred two".