212200551 has 6 divisors (see below), whose sum is σ = 306511920. Its totient is φ = 141467028.

The previous prime is 212200537. The next prime is 212200577. The reversal of 212200551 is 155002212.

It is not a de Polignac number, because 212200551 - 2¹⁰ = 212199527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212205551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11788911 + ... + 11788928.

It is an arithmetic number, because the mean of its divisors is an integer number (51085320).

Almost surely, 2^212200551 is an apocalyptic number.

212200551 is a deficient number, since it is larger than the sum of its proper divisors (94311369).

212200551 is a wasteful number, since it uses less digits than its factorization.

212200551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23577845 (or 23577842 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 212200551 is about 14567.1051001906. The cubic root of 212200551 is about 596.4611603925.

Adding to 212200551 its reverse (155002212), we get a palindrome (367202763).

The spelling of 212200551 in words is "two hundred twelve million, two hundred thousand, five hundred fifty-one".