212021113032 has 64 divisors (see below), whose sum is σ = 589479264000. Its totient is φ = 70609897152.

The previous prime is 212021113021. The next prime is 212021113079. The reversal of 212021113032 is 230311120212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212021112996 and 212021113014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203008 + ... + 682095.

It is an arithmetic number, because the mean of its divisors is an integer number (9210613500).

Almost surely, 2^212021113032 is an apocalyptic number.

It is an amenable number.

212021113032 is an abundant number, since it is smaller than the sum of its proper divisors (377458150968).

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

212021113032 is a wasteful number, since it uses less digits than its factorization.

212021113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886227 (or 886217 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212021113032 its reverse (230311120212), we get a palindrome (442332233244).

The spelling of 212021113032 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, thirty-two".