102412541402505 has 24 divisors (see below), whose sum is σ = 177516234497472. Its totient is φ = 54619664317344.

The previous prime is 102412541402429. The next prime is 102412541402531. The reversal of 102412541402505 is 505204145214201.

102412541402505 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 1 + 2 + 5 + 4 + 140 + 2 + 505 = 666.

It is not a de Polignac number, because 102412541402505 - 2²³ = 102412533013897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102412541402505.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 434269 + ... + 14318298.

It is an arithmetic number, because the mean of its divisors is an integer number (7396509770728).

Almost surely, 2^{102412541402505} is an apocalyptic number.

102412541402505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102412541402505 is a deficient number, since it is larger than the sum of its proper divisors (75103693094967).

102412541402505 is a wasteful number, since it uses less digits than its factorization.

102412541402505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14906845 (or 14906842 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 102412541402505 its reverse (505204145214201), we get a palindrome (607616686616706).

The spelling of 102412541402505 in words is "one hundred two trillion, four hundred twelve billion, five hundred forty-one million, four hundred two thousand, five hundred five".