102070712720 has 80 divisors (see below), whose sum is σ = 241490168640. Its totient is φ = 40110758400.

The previous prime is 102070712719. The next prime is 102070712743. The reversal of 102070712720 is 27217070201.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8541950 + ... + 8553890.

It is an arithmetic number, because the mean of its divisors is an integer number (3018627108).

Almost surely, 2^102070712720 is an apocalyptic number.

102070712720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102070712720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120745084320).

102070712720 is an abundant number, since it is smaller than the sum of its proper divisors (139419455920).

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

102070712720 is a wasteful number, since it uses less digits than its factorization.

102070712720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13824 (or 13818 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 29.

Adding to 102070712720 its reverse (27217070201), we get a palindrome (129287782921).

The spelling of 102070712720 in words is "one hundred two billion, seventy million, seven hundred twelve thousand, seven hundred twenty".