212021120032 has 48 divisors (see below), whose sum is σ = 418429318104. Its totient is φ = 105753600000.

The previous prime is 212021120021. The next prime is 212021120093. The reversal of 212021120032 is 230021120212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 171525192336 + 40495927696 = 414156^2 + 201236^2 .

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 = 212021119988 and 212021120015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52990032 + ... + 52994032.

Almost surely, 2^212021120032 is an apocalyptic number.

It is an amenable number.

212021120032 is a deficient number, since it is larger than the sum of its proper divisors (206408198072).

212021120032 is a wasteful number, since it uses less digits than its factorization.

212021120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7605 counting only the distinct ones).

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

Adding to 212021120032 its reverse (230021120212), we get a palindrome (442042240244).

The spelling of 212021120032 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, thirty-two".