102612302047 has 4 divisors (see below), whose sum is σ = 106150657320. Its totient is φ = 99073946776.

The previous prime is 102612302017. The next prime is 102612302069. The reversal of 102612302047 is 740203216201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740203216201 = 324211 ⋅2283091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102612302047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102612302017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769177593 + ... + 1769177650.

It is an arithmetic number, because the mean of its divisors is an integer number (26537664330).

Almost surely, 2^102612302047 is an apocalyptic number.

102612302047 is a deficient number, since it is larger than the sum of its proper divisors (3538355273).

102612302047 is an equidigital number, since it uses as much as digits as its factorization.

102612302047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538355272.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 102612302047 its reverse (740203216201), we get a palindrome (842815518248).

The spelling of 102612302047 in words is "one hundred two billion, six hundred twelve million, three hundred two thousand, forty-seven".