12216861035 has 8 divisors (see below), whose sum is σ = 14660827296. Its totient is φ = 9773092800.

The previous prime is 12216861029. The next prime is 12216861043. The reversal of 12216861035 is 53016861221.

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

It is not a de Polignac number, because 12216861035 - 2⁸ = 12216860779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12216860986 and 12216861004.

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, 207935 + ... + 260135.

It is an arithmetic number, because the mean of its divisors is an integer number (1832603412).

Almost surely, 2^12216861035 is an apocalyptic number.

12216861035 is a deficient number, since it is larger than the sum of its proper divisors (2443966261).

12216861035 is an equidigital number, since it uses as much as digits as its factorization.

12216861035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99013.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 12216861035 in words is "twelve billion, two hundred sixteen million, eight hundred sixty-one thousand, thirty-five".