102240121324312 has 8 divisors (see below), whose sum is σ = 191700227483100. Its totient is φ = 51120060662152.

The previous prime is 102240121324307. The next prime is 102240121324321. The reversal of 102240121324312 is 213423121042201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6390007582762 + ... + 6390007582777.

Almost surely, 2^{102240121324312} is an apocalyptic number.

It is an amenable number.

102240121324312 is a deficient number, since it is larger than the sum of its proper divisors (89460106158788).

102240121324312 is a wasteful number, since it uses less digits than its factorization.

102240121324312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780015165545 (or 12780015165541 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 102240121324312 its reverse (213423121042201), we get a palindrome (315663242366513).

The spelling of 102240121324312 in words is "one hundred two trillion, two hundred forty billion, one hundred twenty-one million, three hundred twenty-four thousand, three hundred twelve".