12121250725329 has 16 divisors (see below), whose sum is σ = 17012355823680. Its totient is φ = 7655493427200.

The previous prime is 12121250725327. The next prime is 12121250725351. The reversal of 12121250725329 is 92352705212121.

It is not a de Polignac number, because 12121250725329 - 2¹ = 12121250725327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121250725327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23692429 + ... + 24198629.

It is an arithmetic number, because the mean of its divisors is an integer number (1063272238980).

Almost surely, 2^{12121250725329} is an apocalyptic number.

12121250725329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12121250725329 is a deficient number, since it is larger than the sum of its proper divisors (4891105098351).

12121250725329 is a wasteful number, since it uses less digits than its factorization.

12121250725329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926320.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 12121250725329 in words is "twelve trillion, one hundred twenty-one billion, two hundred fifty million, seven hundred twenty-five thousand, three hundred twenty-nine".