102040612666242 has 8 divisors (see below), whose sum is σ = 204081225332496. Its totient is φ = 34013537555412.

The previous prime is 102040612666219. The next prime is 102040612666249. The reversal of 102040612666242 is 242666216040201.

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

102040612666242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 102040612666194 and 102040612666203.

It is not an unprimeable number, because it can be changed into a prime (102040612666249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8503384388848 + ... + 8503384388859.

It is an arithmetic number, because the mean of its divisors is an integer number (25510153166562).

Almost surely, 2^{102040612666242} is an apocalyptic number.

102040612666242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102040612666242 is a wasteful number, since it uses less digits than its factorization.

102040612666242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17006768777712.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 102040612666242 in words is "one hundred two trillion, forty billion, six hundred twelve million, six hundred sixty-six thousand, two hundred forty-two".