212255505052 has 12 divisors (see below), whose sum is σ = 372633868096. Its totient is φ = 105788685600.

The previous prime is 212255505019. The next prime is 212255505109. The reversal of 212255505052 is 250505552212.

It is a junction number, because it is equal to n+sod(n) for n = 212255504999 and 212255505017.

It is a congruent 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, 84765324 + ... + 84767827.

Almost surely, 2^212255505052 is an apocalyptic number.

It is an amenable number.

212255505052 is a deficient number, since it is larger than the sum of its proper divisors (160378363044).

212255505052 is a wasteful number, since it uses less digits than its factorization.

212255505052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169533468 (or 169533466 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 212255505052 in words is "two hundred twelve billion, two hundred fifty-five million, five hundred five thousand, fifty-two".