210016665012 has 96 divisors (see below), whose sum is σ = 623426227200. Its totient is φ = 54549771360.

The previous prime is 210016664989. The next prime is 210016665017. The reversal of 210016665012 is 210566610012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210016665017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2274018 + ... + 2364569.

It is an arithmetic number, because the mean of its divisors is an integer number (6494023200).

Almost surely, 2^210016665012 is an apocalyptic number.

210016665012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210016665012 is an abundant number, since it is smaller than the sum of its proper divisors (413409562188).

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

210016665012 is a wasteful number, since it uses less digits than its factorization.

210016665012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638626 (or 4638610 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 210016665012 in words is "two hundred ten billion, sixteen million, six hundred sixty-five thousand, twelve".