12119515705 has 16 divisors (see below), whose sum is σ = 16022639808. Its totient is φ = 8726920000.

The previous prime is 12119515687. The next prime is 12119515763. The reversal of 12119515705 is 50751591121.

It is not a de Polignac number, because 12119515705 - 2¹³ = 12119507513 is a prime.

It is a Duffinian number.

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, 1085311 + ... + 1096420.

It is an arithmetic number, because the mean of its divisors is an integer number (1001414988).

Almost surely, 2^12119515705 is an apocalyptic number.

It is an amenable number.

12119515705 is a deficient number, since it is larger than the sum of its proper divisors (3903124103).

12119515705 is a wasteful number, since it uses less digits than its factorization.

12119515705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181848.

The product of its (nonzero) digits is 15750, while the sum is 37.

It can be divided in two parts, 121195 and 15705, that added together give a square (136900 = 370²).

The spelling of 12119515705 in words is "twelve billion, one hundred nineteen million, five hundred fifteen thousand, seven hundred five".