212122100032 has 28 divisors (see below), whose sum is σ = 424143013536. Its totient is φ = 105251419520.

The previous prime is 212122099963. The next prime is 212122100039. The reversal of 212122100032 is 230001221212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 212122099979 and 212122100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212122100039) 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, 12642028 + ... + 12658795.

Almost surely, 2^212122100032 is an apocalyptic number.

It is an amenable number.

212122100032 is a deficient number, since it is larger than the sum of its proper divisors (212020913504).

212122100032 is a wasteful number, since it uses less digits than its factorization.

212122100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300966 (or 25300956 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212122100032 its reverse (230001221212), we get a palindrome (442123321244).

The spelling of 212122100032 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred thousand, thirty-two".