12205431034 has 16 divisors (see below), whose sum is σ = 18754217856. Its totient is φ = 5954810400.

The previous prime is 12205431023. The next prime is 12205431041. The reversal of 12205431034 is 43013450221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165027 + ... + 227254.

It is an arithmetic number, because the mean of its divisors is an integer number (1172138616).

Almost surely, 2^12205431034 is an apocalyptic number.

12205431034 is a deficient number, since it is larger than the sum of its proper divisors (6548786822).

12205431034 is a wasteful number, since it uses less digits than its factorization.

12205431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392661.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12205431034 its reverse (43013450221), we get a palindrome (55218881255).

The spelling of 12205431034 in words is "twelve billion, two hundred five million, four hundred thirty-one thousand, thirty-four".