212030012322 has 24 divisors (see below), whose sum is σ = 486421793676. Its totient is φ = 66519219456.

The previous prime is 212030012309. The next prime is 212030012371. The reversal of 212030012322 is 223210030212.

212030012322 is a `hidden beast` number, since 21 + 20 + 300 + 1 + 2 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 210232337121 + 1797675201 = 458511^2 + 42399^2 .

It is a super-2 number, since 2×212030012322² (a number of 23 digits) contains 22 as substring.

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 = 212030012295 and 212030012304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346453963 + ... + 346454574.

Almost surely, 2^212030012322 is an apocalyptic number.

212030012322 is an abundant number, since it is smaller than the sum of its proper divisors (274391781354).

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

212030012322 is a wasteful number, since it uses less digits than its factorization.

212030012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692908562 (or 692908559 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212030012322 its reverse (223210030212), we get a palindrome (435240042534).

The spelling of 212030012322 in words is "two hundred twelve billion, thirty million, twelve thousand, three hundred twenty-two".