212011130322 has 20 divisors (see below), whose sum is σ = 475061977566. Its totient is φ = 70670376720.

The previous prime is 212011130297. The next prime is 212011130327. The reversal of 212011130322 is 223031110212.

212011130322 is a `hidden beast` number, since 212 + 0 + 1 + 1 + 130 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120505485321 + 91505645001 = 347139^2 + 302499^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212011130295 and 212011130304.

It is not an unprimeable number, because it can be changed into a prime (212011130327) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 654355179 + ... + 654355502.

Almost surely, 2^212011130322 is an apocalyptic number.

212011130322 is an abundant number, since it is smaller than the sum of its proper divisors (263050847244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212011130322 is a wasteful number, since it uses less digits than its factorization.

212011130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308710695 (or 1308710686 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212011130322 its reverse (223031110212), we get a palindrome (435042240534).

The spelling of 212011130322 in words is "two hundred twelve billion, eleven million, one hundred thirty thousand, three hundred twenty-two".