212215117167051 has 8 divisors (see below), whose sum is σ = 283680876420240. Its totient is φ = 141113051345952.

The previous prime is 212215117167047. The next prime is 212215117167107. The reversal of 212215117167051 is 150761711512212.

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

It is not a de Polignac number, because 212215117167051 - 2² = 212215117167047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212215117166994 and 212215117167012.

It is not an unprimeable number, because it can be changed into a prime (212215117167751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90923356660 + ... + 90923358993.

It is an arithmetic number, because the mean of its divisors is an integer number (35460109552530).

Almost surely, 2^{212215117167051} is an apocalyptic number.

212215117167051 is a deficient number, since it is larger than the sum of its proper divisors (71465759253189).

212215117167051 is a wasteful number, since it uses less digits than its factorization.

212215117167051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181846716045.

The product of its (nonzero) digits is 58800, while the sum is 42.

Adding to 212215117167051 its reverse (150761711512212), we get a palindrome (362976828679263).

The spelling of 212215117167051 in words is "two hundred twelve trillion, two hundred fifteen billion, one hundred seventeen million, one hundred sixty-seven thousand, fifty-one".