209912472672288 has 48 divisors (see below), whose sum is σ = 565912679713920. Its totient is φ = 68079720865536.

The previous prime is 209912472672151. The next prime is 209912472672311. The reversal of 209912472672288 is 882276274219902.

It is a tau number, because it is divible by the number of its divisors (48).

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, 29548486408 + ... + 29548493511.

It is an arithmetic number, because the mean of its divisors is an integer number (11789847494040).

Almost surely, 2^{209912472672288} is an apocalyptic number.

It is an amenable number.

209912472672288 is an abundant number, since it is smaller than the sum of its proper divisors (356000207041632).

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

209912472672288 is a wasteful number, since it uses less digits than its factorization.

209912472672288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59096979969 (or 59096979961 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 69.

The spelling of 209912472672288 in words is "two hundred nine trillion, nine hundred twelve billion, four hundred seventy-two million, six hundred seventy-two thousand, two hundred eighty-eight".