27212306641 has 16 divisors (see below), whose sum is σ = 30656876544. Its totient is φ = 23966293824.

The previous prime is 27212306621. The next prime is 27212306689. The reversal of 27212306641 is 14660321272.

It is a cyclic number.

It is not a de Polignac number, because 27212306641 - 2¹¹ = 27212304593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27212306597 and 27212306606.

It is not an unprimeable number, because it can be changed into a prime (27212306621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4080 + ... + 233326.

It is an arithmetic number, because the mean of its divisors is an integer number (1916054784).

Almost surely, 2^27212306641 is an apocalyptic number.

It is an amenable number.

27212306641 is a deficient number, since it is larger than the sum of its proper divisors (3444569903).

27212306641 is a wasteful number, since it uses less digits than its factorization.

27212306641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229680.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 27212306641 in words is "twenty-seven billion, two hundred twelve million, three hundred six thousand, six hundred forty-one".