212330031030 has 48 divisors (see below), whose sum is σ = 594524090160. Its totient is φ = 52265853504.

The previous prime is 212330030977. The next prime is 212330031031. The reversal of 212330031030 is 30130033212.

212330031030 is a `hidden beast` number, since 2 + 1 + 23 + 300 + 310 + 30 = 666.

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 = 212330030994 and 212330031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330031031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90738160 + ... + 90740499.

It is an arithmetic number, because the mean of its divisors is an integer number (12385918545).

Almost surely, 2^212330031030 is an apocalyptic number.

212330031030 is an abundant number, since it is smaller than the sum of its proper divisors (382194059130).

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

212330031030 is a wasteful number, since it uses less digits than its factorization.

212330031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181478685 (or 181478682 counting only the distinct ones).

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

Adding to 212330031030 its reverse (30130033212), we get a palindrome (242460064242).

The spelling of 212330031030 in words is "two hundred twelve billion, three hundred thirty million, thirty-one thousand, thirty".