212030012112 has 40 divisors (see below), whose sum is σ = 566631932640. Its totient is φ = 68239543680.

The previous prime is 212030012041. The next prime is 212030012123. The reversal of 212030012112 is 211210030212.

It is a junction number, because it is equal to n+sod(n) for n = 212030012091 and 212030012100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76158814 + ... + 76161597.

It is an arithmetic number, because the mean of its divisors is an integer number (14165798316).

Almost surely, 2^212030012112 is an apocalyptic number.

It is an amenable number.

212030012112 is an abundant number, since it is smaller than the sum of its proper divisors (354601920528).

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

212030012112 is a wasteful number, since it uses less digits than its factorization.

212030012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152320451 (or 152320445 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212030012112 its reverse (211210030212), we get a palindrome (423240042324).

The spelling of 212030012112 in words is "two hundred twelve billion, thirty million, twelve thousand, one hundred twelve".