12205734574 has 16 divisors (see below), whose sum is σ = 19975708080. Its totient is φ = 5547314560.

The previous prime is 12205734533. The next prime is 12205734617. The reversal of 12205734574 is 47543750221.

It is a super-2 number, since 2×12205734574² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150972 + ... + 217264.

It is an arithmetic number, because the mean of its divisors is an integer number (1248481755).

Almost surely, 2^12205734574 is an apocalyptic number.

12205734574 is a deficient number, since it is larger than the sum of its proper divisors (7769973506).

12205734574 is a wasteful number, since it uses less digits than its factorization.

12205734574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74675.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 12205734574 in words is "twelve billion, two hundred five million, seven hundred thirty-four thousand, five hundred seventy-four".