102542405342120 has 32 divisors (see below), whose sum is σ = 230747817506400. Its totient is φ = 41012090050368.

The previous prime is 102542405342093. The next prime is 102542405342207. The reversal of 102542405342120 is 21243504245201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151911734 + ... + 152585253.

It is an arithmetic number, because the mean of its divisors is an integer number (7210869297075).

Almost surely, 2^{102542405342120} is an apocalyptic number.

102542405342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102542405342120 is an abundant number, since it is smaller than the sum of its proper divisors (128205412164280).

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

102542405342120 is a wasteful number, since it uses less digits than its factorization.

102542405342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304505417 (or 304505413 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 102542405342120 its reverse (21243504245201), we get a palindrome (123785909587321).

The spelling of 102542405342120 in words is "one hundred two trillion, five hundred forty-two billion, four hundred five million, three hundred forty-two thousand, one hundred twenty".