12013344534 has 32 divisors (see below), whose sum is σ = 24545895264. Its totient is φ = 3918320640.

The previous prime is 12013344527. The next prime is 12013344547. The reversal of 12013344534 is 43544331021.

It is a super-3 number, since 3×12013344534³ (a number of 31 digits) contains 333 as substring.

It is a congruent 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, 67974 + ... + 169254.

It is an arithmetic number, because the mean of its divisors is an integer number (767059227).

Almost surely, 2^12013344534 is an apocalyptic number.

12013344534 is an abundant number, since it is smaller than the sum of its proper divisors (12532550730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013344534 is a wasteful number, since it uses less digits than its factorization.

12013344534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101712.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12013344534 its reverse (43544331021), we get a palindrome (55557675555).

The spelling of 12013344534 in words is "twelve billion, thirteen million, three hundred forty-four thousand, five hundred thirty-four".