212200552451 has 4 divisors (see below), whose sum is σ = 223369002600. Its totient is φ = 201032102304.

The previous prime is 212200552439. The next prime is 212200552493. The reversal of 212200552451 is 154255002212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212200552451 - 2⁶ = 212200552387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212200552411) 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, 5584225046 + ... + 5584225083.

It is an arithmetic number, because the mean of its divisors is an integer number (55842250650).

Almost surely, 2^212200552451 is an apocalyptic number.

212200552451 is a deficient number, since it is larger than the sum of its proper divisors (11168450149).

212200552451 is a wasteful number, since it uses less digits than its factorization.

212200552451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168450148.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 212200552451 its reverse (154255002212), we get a palindrome (366455554663).

The spelling of 212200552451 in words is "two hundred twelve billion, two hundred million, five hundred fifty-two thousand, four hundred fifty-one".