212322132011 has 4 divisors (see below), whose sum is σ = 231624144024. Its totient is φ = 193020120000.

The previous prime is 212322131981. The next prime is 212322132019. The reversal of 212322132011 is 110231223212.

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 212322132011 - 2¹⁰ = 212322130987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212322132019) 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, 9651005990 + ... + 9651006011.

It is an arithmetic number, because the mean of its divisors is an integer number (57906036006).

Almost surely, 2^212322132011 is an apocalyptic number.

212322132011 is a deficient number, since it is larger than the sum of its proper divisors (19302012013).

212322132011 is a wasteful number, since it uses less digits than its factorization.

212322132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19302012012.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212322132011 its reverse (110231223212), we get a palindrome (322553355223).

The spelling of 212322132011 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred thirty-two thousand, eleven".