212086225901 has 4 divisors (see below), whose sum is σ = 231366791904. Its totient is φ = 192805659900.

The previous prime is 212086225853. The next prime is 212086225913. The reversal of 212086225901 is 109522680212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212086225901 - 2¹⁰ = 212086224877 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 (212086225921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9640282985 + ... + 9640283006.

It is an arithmetic number, because the mean of its divisors is an integer number (57841697976).

Almost surely, 2^212086225901 is an apocalyptic number.

It is an amenable number.

212086225901 is a deficient number, since it is larger than the sum of its proper divisors (19280566003).

212086225901 is a wasteful number, since it uses less digits than its factorization.

212086225901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19280566002.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 212086225901 in words is "two hundred twelve billion, eighty-six million, two hundred twenty-five thousand, nine hundred one".