12151226305 has 8 divisors (see below), whose sum is σ = 14635679400. Its totient is φ = 9684842496.

The previous prime is 12151226299. The next prime is 12151226387. The reversal of 12151226305 is 50362215121.

It can be written as a sum of positive squares in 4 ways, for example, as 1896129 + 12149330176 = 1377^2 + 110224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12151226305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4515840 + ... + 4518529.

It is an arithmetic number, because the mean of its divisors is an integer number (1829459925).

Almost surely, 2^12151226305 is an apocalyptic number.

It is an amenable number.

12151226305 is a deficient number, since it is larger than the sum of its proper divisors (2484453095).

12151226305 is an equidigital number, since it uses as much as digits as its factorization.

12151226305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034643.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 12151226305 in words is "twelve billion, one hundred fifty-one million, two hundred twenty-six thousand, three hundred five".