212112233030 has 16 divisors (see below), whose sum is σ = 382133178144. Its totient is φ = 84771302400.

The previous prime is 212112233017. The next prime is 212112233033. The reversal of 212112233030 is 30332211212.

It is a junction number, because it is equal to n+sod(n) for n = 212112232993 and 212112233011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112233033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9186746 + ... + 9209805.

It is an arithmetic number, because the mean of its divisors is an integer number (23883323634).

Almost surely, 2^212112233030 is an apocalyptic number.

212112233030 is a deficient number, since it is larger than the sum of its proper divisors (170020945114).

212112233030 is a wasteful number, since it uses less digits than its factorization.

212112233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18397711.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212112233030 its reverse (30332211212), we get a palindrome (242444444242).

The spelling of 212112233030 in words is "two hundred twelve billion, one hundred twelve million, two hundred thirty-three thousand, thirty".