102120043134342 has 64 divisors (see below), whose sum is σ = 207036138516480. Its totient is φ = 33575380548864.

The previous prime is 102120043134313. The next prime is 102120043134469. The reversal of 102120043134342 is 243431340021201.

102120043134342 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 771892123 + ... + 772024409.

It is an arithmetic number, because the mean of its divisors is an integer number (3234939664320).

Almost surely, 2^{102120043134342} is an apocalyptic number.

102120043134342 is an abundant number, since it is smaller than the sum of its proper divisors (104916095382138).

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

102120043134342 is a wasteful number, since it uses less digits than its factorization.

102120043134342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134877.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 102120043134342 its reverse (243431340021201), we get a palindrome (345551383155543).

The spelling of 102120043134342 in words is "one hundred two trillion, one hundred twenty billion, forty-three million, one hundred thirty-four thousand, three hundred forty-two".