102261478712 has 16 divisors (see below), whose sum is σ = 191743815600. Its totient is φ = 51129794560.

The previous prime is 102261478703. The next prime is 102261478733. The reversal of 102261478712 is 217874162201.

It is a self number, because there is not a number n which added to its sum of digits gives 102261478712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595637 + ... + 747867.

It is an arithmetic number, because the mean of its divisors is an integer number (11983988475).

Almost surely, 2^102261478712 is an apocalyptic number.

It is an amenable number.

102261478712 is a deficient number, since it is larger than the sum of its proper divisors (89482336888).

102261478712 is a wasteful number, since it uses less digits than its factorization.

102261478712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236206 (or 236202 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 102261478712 in words is "one hundred two billion, two hundred sixty-one million, four hundred seventy-eight thousand, seven hundred twelve".