12216696201 has 6 divisors (see below), whose sum is σ = 17646338970. Its totient is φ = 8144464128.

The previous prime is 12216696181. The next prime is 12216696211. The reversal of 12216696201 is 10269661221.

12216696201 is a `hidden beast` number, since 1 + 2 + 21 + 6 + 6 + 9 + 620 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6851866176 + 5364830025 = 82776^2 + 73245^2 .

It is not a de Polignac number, because 12216696201 - 2¹⁴ = 12216679817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12216696211) 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 5 ways as a sum of consecutive naturals, for example, 678705336 + ... + 678705353.

It is an arithmetic number, because the mean of its divisors is an integer number (2941056495).

Almost surely, 2^12216696201 is an apocalyptic number.

It is an amenable number.

12216696201 is a deficient number, since it is larger than the sum of its proper divisors (5429642769).

12216696201 is a wasteful number, since it uses less digits than its factorization.

12216696201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357410695 (or 1357410692 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 12216696201 in words is "twelve billion, two hundred sixteen million, six hundred ninety-six thousand, two hundred one".