212101233132 has 12 divisors (see below), whose sum is σ = 494902877336. Its totient is φ = 70700411040.

The previous prime is 212101233107. The next prime is 212101233133. The reversal of 212101233132 is 231332101212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×212101233132² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212101233099 and 212101233108.

It is not an unprimeable number, because it can be changed into a prime (212101233133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8837551369 + ... + 8837551392.

Almost surely, 2^212101233132 is an apocalyptic number.

It is an amenable number.

212101233132 is an abundant number, since it is smaller than the sum of its proper divisors (282801644204).

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

212101233132 is a wasteful number, since it uses less digits than its factorization.

212101233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17675102768 (or 17675102766 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212101233132 its reverse (231332101212), we get a palindrome (443433334344).

The spelling of 212101233132 in words is "two hundred twelve billion, one hundred one million, two hundred thirty-three thousand, one hundred thirty-two".