12215301101 has 16 divisors (see below), whose sum is σ = 12963737088. Its totient is φ = 11489688000.

The previous prime is 12215301097. The next prime is 12215301113. The reversal of 12215301101 is 10110351221.

It is a cyclic number.

It is not a de Polignac number, because 12215301101 - 2² = 12215301097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12215301101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215301401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200431 + ... + 1210563.

It is an arithmetic number, because the mean of its divisors is an integer number (810233568).

Almost surely, 2^12215301101 is an apocalyptic number.

It is an amenable number.

12215301101 is a deficient number, since it is larger than the sum of its proper divisors (748435987).

12215301101 is a wasteful number, since it uses less digits than its factorization.

12215301101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 12215301101 its reverse (10110351221), we get a palindrome (22325652322).

The spelling of 12215301101 in words is "twelve billion, two hundred fifteen million, three hundred one thousand, one hundred one".