12340156034234 has 12 divisors (see below), whose sum is σ = 21532313080314. Its totient is φ = 5288638300344.

The previous prime is 12340156034189. The next prime is 12340156034251. The reversal of 12340156034234 is 43243065104321.

It can be written as a sum of positive squares in only one way, i.e., 11700880629025 + 639275405209 = 3420655^2 + 799547^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62959979669 + ... + 62959979864.

Almost surely, 2^{12340156034234} is an apocalyptic number.

12340156034234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12340156034234 is a deficient number, since it is larger than the sum of its proper divisors (9192157046080).

12340156034234 is a wasteful number, since it uses less digits than its factorization.

12340156034234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125919959549 (or 125919959542 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 12340156034234 in words is "twelve trillion, three hundred forty billion, one hundred fifty-six million, thirty-four thousand, two hundred thirty-four".