102412520645 has 8 divisors (see below), whose sum is σ = 122961573504. Its totient is φ = 81885650704.

The previous prime is 102412520633. The next prime is 102412520663. The reversal of 102412520645 is 546025214201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102412520645 - 2⁴ = 102412520629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5535569 + ... + 5554038.

It is an arithmetic number, because the mean of its divisors is an integer number (15370196688).

Almost surely, 2^102412520645 is an apocalyptic number.

It is an amenable number.

102412520645 is a deficient number, since it is larger than the sum of its proper divisors (20549052859).

102412520645 is a wasteful number, since it uses less digits than its factorization.

102412520645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091459.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 102412520645 its reverse (546025214201), we get a palindrome (648437734846).

The spelling of 102412520645 in words is "one hundred two billion, four hundred twelve million, five hundred twenty thousand, six hundred forty-five".