12015387536842 has 8 divisors (see below), whose sum is σ = 18037818088416. Its totient is φ = 6002781507372.

The previous prime is 12015387536837. The next prime is 12015387536857. The reversal of 12015387536842 is 24863578351021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456127468 + ... + 2456132359.

It is an arithmetic number, because the mean of its divisors is an integer number (2254727261052).

Almost surely, 2^{12015387536842} is an apocalyptic number.

12015387536842 is a deficient number, since it is larger than the sum of its proper divisors (6022430551574).

12015387536842 is a wasteful number, since it uses less digits than its factorization.

12015387536842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912261052.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 12015387536842 in words is "twelve trillion, fifteen billion, three hundred eighty-seven million, five hundred thirty-six thousand, eight hundred forty-two".