1020200211200 has 108 divisors (see below), whose sum is σ = 2525983175688. Its totient is φ = 407946240000.

The previous prime is 1020200211187. The next prime is 1020200211257. The reversal of 1020200211200 is 21120020201.

It is a happy number.

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, 20781884 + ... + 20830916.

Almost surely, 2^{1020200211200} is an apocalyptic number.

1020200211200 is a gapful number since it is divisible by the number (10) 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 1020200211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262991587844).

1020200211200 is an abundant number, since it is smaller than the sum of its proper divisors (1505782964488).

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

1020200211200 is an equidigital number, since it uses as much as digits as its factorization.

1020200211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52310 (or 52291 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020200211200 its reverse (21120020201), we get a palindrome (1041320231401).

The spelling of 1020200211200 in words is "one trillion, twenty billion, two hundred million, two hundred eleven thousand, two hundred".