212331030030 has 576 divisors, whose sum is σ = 723013724160. Its totient is φ = 42068865024.

The previous prime is 212331030029. The next prime is 212331030071. The reversal of 212331030030 is 30030133212.

212331030030 is a `hidden beast` number, since 2 + 1 + 2 + 331 + 0 + 300 + 30 = 666.

It is a super-3 number, since 3×212331030030³ (a number of 35 digits) contains 333 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 = 212331029985 and 212331030012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1425040396 + ... + 1425040544.

It is an arithmetic number, because the mean of its divisors is an integer number (1255232160).

Almost surely, 2^212331030030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212331030030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361506862080).

212331030030 is an abundant number, since it is smaller than the sum of its proper divisors (510682694130).

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

212331030030 is a wasteful number, since it uses less digits than its factorization.

212331030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 212331030030 its reverse (30030133212), we get a palindrome (242361163242).

The spelling of 212331030030 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, thirty".