12031203734 has 16 divisors (see below), whose sum is σ = 19692343296. Its totient is φ = 5467362600.

The previous prime is 12031203733. The next prime is 12031203749. The reversal of 12031203734 is 43730213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031203733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24539 + ... + 157049.

It is an arithmetic number, because the mean of its divisors is an integer number (1230771456).

Almost surely, 2^12031203734 is an apocalyptic number.

12031203734 is a deficient number, since it is larger than the sum of its proper divisors (7661139562).

12031203734 is a wasteful number, since it uses less digits than its factorization.

12031203734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136651.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 12031203734 its reverse (43730213021), we get a palindrome (55761416755).

The spelling of 12031203734 in words is "twelve billion, thirty-one million, two hundred three thousand, seven hundred thirty-four".