2021201200 has 60 divisors (see below), whose sum is σ = 4864128408. Its totient is φ = 807116800.

The previous prime is 2021201177. The next prime is 2021201249. The reversal of 2021201200 is 21021202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252459 + ... + 260341.

Almost surely, 2^2021201200 is an apocalyptic number.

2021201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2432064204).

2021201200 is an abundant number, since it is smaller than the sum of its proper divisors (2842927208).

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

2021201200 is a wasteful number, since it uses less digits than its factorization.

2021201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542 (or 8531 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2021201200 is about 44957.7712970739. The cubic root of 2021201200 is about 1264.3573837218.

Adding to 2021201200 its reverse (21021202), we get a palindrome (2042222402).

The spelling of 2021201200 in words is "two billion, twenty-one million, two hundred one thousand, two hundred".