102109595259412 has 24 divisors (see below), whose sum is σ = 192472865627336. Its totient is φ = 47118799018368.

The previous prime is 102109595259391. The next prime is 102109595259461. The reversal of 102109595259412 is 214952595901201.

It can be written as a sum of positive squares in 4 ways, for example, as 15031097984016 + 87078497275396 = 3876996^2 + 9331586^2 .

It is a congruent number.

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, 181100943 + ... + 181663894.

Almost surely, 2^{102109595259412} is an apocalyptic number.

It is an amenable number.

102109595259412 is a deficient number, since it is larger than the sum of its proper divisors (90363270367924).

102109595259412 is a wasteful number, since it uses less digits than its factorization.

102109595259412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362770267 (or 362770265 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 55.

The spelling of 102109595259412 in words is "one hundred two trillion, one hundred nine billion, five hundred ninety-five million, two hundred fifty-nine thousand, four hundred twelve".