12215155351 has 8 divisors (see below), whose sum is σ = 13970918304. Its totient is φ = 10462077600.

The previous prime is 12215155331. The next prime is 12215155357. The reversal of 12215155351 is 15355151221.

12215155351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12215155351 - 2⁷ = 12215155223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215155357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661540 + ... + 679753.

It is an arithmetic number, because the mean of its divisors is an integer number (1746364788).

Almost surely, 2^12215155351 is an apocalyptic number.

12215155351 is a deficient number, since it is larger than the sum of its proper divisors (1755762953).

12215155351 is a wasteful number, since it uses less digits than its factorization.

12215155351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342601.

The product of its digits is 7500, while the sum is 31.

The spelling of 12215155351 in words is "twelve billion, two hundred fifteen million, one hundred fifty-five thousand, three hundred fifty-one".