212050622261 has 8 divisors (see below), whose sum is σ = 216116773920. Its totient is φ = 207986885392.

The previous prime is 212050622143. The next prime is 212050622281. The reversal of 212050622261 is 162226050212.

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

It is a cyclic number.

It is not a de Polignac number, because 212050622261 - 2²⁶ = 211983513397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212050622281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425891 + ... + 778128.

It is an arithmetic number, because the mean of its divisors is an integer number (27014596740).

Almost surely, 2^212050622261 is an apocalyptic number.

It is an amenable number.

212050622261 is a deficient number, since it is larger than the sum of its proper divisors (4066151659).

212050622261 is a wasteful number, since it uses less digits than its factorization.

212050622261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207395.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 212050622261 its reverse (162226050212), we get a palindrome (374276672473).

The spelling of 212050622261 in words is "two hundred twelve billion, fifty million, six hundred twenty-two thousand, two hundred sixty-one".