102312100544540 has 48 divisors (see below), whose sum is σ = 219888729496800. Its totient is φ = 39974949111552.

The previous prime is 102312100544477. The next prime is 102312100544581. The reversal of 102312100544540 is 45445001213201.

It is a junction number, because it is equal to n+sod(n) for n = 102312100544497 and 102312100544506.

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 15 ways as a sum of consecutive naturals, for example, 275945855 + ... + 276316374.

It is an arithmetic number, because the mean of its divisors is an integer number (4581015197850).

Almost surely, 2^{102312100544540} is an apocalyptic number.

102312100544540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312100544540 is an abundant number, since it is smaller than the sum of its proper divisors (117576628952260).

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

102312100544540 is a wasteful number, since it uses less digits than its factorization.

102312100544540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552262454 (or 552262452 counting only the distinct ones).

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

Adding to 102312100544540 its reverse (45445001213201), we get a palindrome (147757101757741).

The spelling of 102312100544540 in words is "one hundred two trillion, three hundred twelve billion, one hundred million, five hundred forty-four thousand, five hundred forty".