12320016074555 has 16 divisors (see below), whose sum is σ = 17889905695680. Its totient is φ = 7951069197312.

The previous prime is 12320016074539. The next prime is 12320016074567. The reversal of 12320016074555 is 55547061002321.

It is a cyclic number.

It is not a de Polignac number, because 12320016074555 - 2⁴ = 12320016074539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10352954090 + ... + 10352955279.

It is an arithmetic number, because the mean of its divisors is an integer number (1118119105980).

Almost surely, 2^{12320016074555} is an apocalyptic number.

12320016074555 is a deficient number, since it is larger than the sum of its proper divisors (5569889621125).

12320016074555 is a wasteful number, since it uses less digits than its factorization.

12320016074555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20705909398.

The product of its (nonzero) digits is 252000, while the sum is 41.

Adding to 12320016074555 its reverse (55547061002321), we get a palindrome (67867077076876).

The spelling of 12320016074555 in words is "twelve trillion, three hundred twenty billion, sixteen million, seventy-four thousand, five hundred fifty-five".