212030111312 has 10 divisors (see below), whose sum is σ = 410808340698. Its totient is φ = 106015055648.

The previous prime is 212030111233. The next prime is 212030111383. The reversal of 212030111312 is 213111030212.

It can be written as a sum of positive squares in only one way, i.e., 201543532096 + 10486579216 = 448936^2 + 102404^2 .

It is a super-2 number, since 2×212030111312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625940963 + ... + 6625940994.

Almost surely, 2^212030111312 is an apocalyptic number.

It is an amenable number.

212030111312 is a deficient number, since it is larger than the sum of its proper divisors (198778229386).

212030111312 is a wasteful number, since it uses less digits than its factorization.

212030111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13251881965 (or 13251881959 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212030111312 its reverse (213111030212), we get a palindrome (425141141524).

The spelling of 212030111312 in words is "two hundred twelve billion, thirty million, one hundred eleven thousand, three hundred twelve".