212201891151 has 8 divisors (see below), whose sum is σ = 288274267440. Its totient is φ = 138798721152.

The previous prime is 212201891149. The next prime is 212201891173. The reversal of 212201891151 is 151198102212.

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

It is not a de Polignac number, because 212201891151 - 2¹ = 212201891149 is a prime.

It is a super-5 number, since 5×212201891151⁵ (a number of 58 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201891051) 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, 667301386 + ... + 667301703.

It is an arithmetic number, because the mean of its divisors is an integer number (36034283430).

Almost surely, 2^212201891151 is an apocalyptic number.

212201891151 is a deficient number, since it is larger than the sum of its proper divisors (76072376289).

212201891151 is a wasteful number, since it uses less digits than its factorization.

212201891151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334603145.

The product of its (nonzero) digits is 2880, while the sum is 33.

Adding to 212201891151 its reverse (151198102212), we get a palindrome (363399993363).

The spelling of 212201891151 in words is "two hundred twelve billion, two hundred one million, eight hundred ninety-one thousand, one hundred fifty-one".