2021416212 has 96 divisors (see below), whose sum is σ = 5065441920. Its totient is φ = 625192960.

The previous prime is 2021416193. The next prime is 2021416223. The reversal of 2021416212 is 2126141202.

It is a super-2 number, since 2×2021416212² = 8172247004272857888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7193512 + ... + 7193792.

It is an arithmetic number, because the mean of its divisors is an integer number (52765020).

Almost surely, 2^2021416212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021416212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532720960).

2021416212 is an abundant number, since it is smaller than the sum of its proper divisors (3044025708).

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

2021416212 is a wasteful number, since it uses less digits than its factorization.

2021416212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2021416212 is about 44960.1624997063. The cubic root of 2021416212 is about 1264.4022155394.

Adding to 2021416212 its reverse (2126141202), we get a palindrome (4147557414).

The spelling of 2021416212 in words is "two billion, twenty-one million, four hundred sixteen thousand, two hundred twelve".