212130133051 has 4 divisors (see below), whose sum is σ = 212132453400. Its totient is φ = 212127812704.

The previous prime is 212130133031. The next prime is 212130133099. The reversal of 212130133051 is 150331031212.

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 212130133051 - 2⁷ = 212130132923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212130133031) 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, 1017166 + ... + 1207843.

It is an arithmetic number, because the mean of its divisors is an integer number (53033113350).

Almost surely, 2^212130133051 is an apocalyptic number.

212130133051 is a deficient number, since it is larger than the sum of its proper divisors (2320349).

212130133051 is an equidigital number, since it uses as much as digits as its factorization.

212130133051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320348.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 212130133051 its reverse (150331031212), we get a palindrome (362461164263).

The spelling of 212130133051 in words is "two hundred twelve billion, one hundred thirty million, one hundred thirty-three thousand, fifty-one".