206388212008 has 32 divisors (see below), whose sum is σ = 433567380960. Its totient is φ = 91277340480.

The previous prime is 206388211999. The next prime is 206388212021. The reversal of 206388212008 is 800212883602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31690266 + ... + 31696777.

It is an arithmetic number, because the mean of its divisors is an integer number (13548980655).

Almost surely, 2^206388212008 is an apocalyptic number.

It is an amenable number.

206388212008 is an abundant number, since it is smaller than the sum of its proper divisors (227179168952).

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

206388212008 is a wasteful number, since it uses less digits than its factorization.

206388212008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63387097 (or 63387093 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 206388212008 in words is "two hundred six billion, three hundred eighty-eight million, two hundred twelve thousand, eight".