212772671571115 has 4 divisors (see below), whose sum is σ = 255327205885344. Its totient is φ = 170218137256888.

The previous prime is 212772671571107. The next prime is 212772671571127. The reversal of 212772671571115 is 511175176277212.

212772671571115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212772671571115 - 2³ = 212772671571107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21277267157107 + ... + 21277267157116.

It is an arithmetic number, because the mean of its divisors is an integer number (63831801471336).

Almost surely, 2^{212772671571115} is an apocalyptic number.

212772671571115 is a deficient number, since it is larger than the sum of its proper divisors (42554534314229).

212772671571115 is an equidigital number, since it uses as much as digits as its factorization.

212772671571115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42554534314228.

The product of its digits is 2881200, while the sum is 55.

The spelling of 212772671571115 in words is "two hundred twelve trillion, seven hundred seventy-two billion, six hundred seventy-one million, five hundred seventy-one thousand, one hundred fifteen".