212310102103112 has 32 divisors (see below), whose sum is σ = 428703819377400. Its totient is φ = 97989111358464.

The previous prime is 212310102103111. The next prime is 212310102103129. The reversal of 212310102103112 is 211301201013212.

It can be written as a sum of positive squares in 4 ways, for example, as 206580426884836 + 5729675218276 = 14372906^2 + 2393674^2 .

It is not an unprimeable number, because it can be changed into a prime (212310102103111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76737338 + ... + 79455894.

Almost surely, 2^{212310102103112} is an apocalyptic number.

It is an amenable number.

212310102103112 is an abundant number, since it is smaller than the sum of its proper divisors (216393717274288).

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

212310102103112 is a wasteful number, since it uses less digits than its factorization.

212310102103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469505 (or 3469501 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 212310102103112 its reverse (211301201013212), we get a palindrome (423611303116324).

The spelling of 212310102103112 in words is "two hundred twelve trillion, three hundred ten billion, one hundred two million, one hundred three thousand, one hundred twelve".