212101133112 has 96 divisors (see below), whose sum is σ = 626775842160. Its totient is φ = 64261440000.

The previous prime is 212101133107. The next prime is 212101133159. The reversal of 212101133112 is 211331101212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5016862 + ... + 5058962.

Almost surely, 2^212101133112 is an apocalyptic number.

212101133112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212101133112 is an abundant number, since it is smaller than the sum of its proper divisors (414674709048).

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

212101133112 is a wasteful number, since it uses less digits than its factorization.

212101133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48485 (or 48478 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 212101133112 its reverse (211331101212), we get a palindrome (423432234324).

The spelling of 212101133112 in words is "two hundred twelve billion, one hundred one million, one hundred thirty-three thousand, one hundred twelve".