4312012315505 has 32 divisors (see below), whose sum is σ = 5669718768000. Its totient is φ = 3133629033472.

The previous prime is 4312012315487. The next prime is 4312012315511. The reversal of 4312012315505 is 5055132102134.

4312012315505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4312012315505 - 2²⁴ = 4311995538289 is a prime.

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, 6700346 + ... + 7315644.

It is an arithmetic number, because the mean of its divisors is an integer number (177178711500).

Almost surely, 2^{4312012315505} is an apocalyptic number.

It is an amenable number.

4312012315505 is a deficient number, since it is larger than the sum of its proper divisors (1357706452495).

4312012315505 is a wasteful number, since it uses less digits than its factorization.

4312012315505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618193.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 4312012315505 its reverse (5055132102134), we get a palindrome (9367144417639).

The spelling of 4312012315505 in words is "four trillion, three hundred twelve billion, twelve million, three hundred fifteen thousand, five hundred five".