12340156034251 has 2 divisors, whose sum is σ = 12340156034252. Its totient is φ = 12340156034250.

The previous prime is 12340156034189. The next prime is 12340156034281. The reversal of 12340156034251 is 15243065104321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12340156034251 - 2²¹ = 12340153937099 is a prime.

It is a super-2 number, since 2×12340156034251² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12340156034251.

It is not a weakly prime, because it can be changed into another prime (12340156034281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170078017125 + 6170078017126.

It is an arithmetic number, because the mean of its divisors is an integer number (6170078017126).

Almost surely, 2^{12340156034251} is an apocalyptic number.

12340156034251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340156034251 is an equidigital number, since it uses as much as digits as its factorization.

12340156034251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 12340156034251 in words is "twelve trillion, three hundred forty billion, one hundred fifty-six million, thirty-four thousand, two hundred fifty-one".