210001211012200 has 96 divisors (see below), whose sum is σ = 499632518972160. Its totient is φ = 82049792403200.

The previous prime is 210001211012183. The next prime is 210001211012213. The reversal of 210001211012200 is 2210112100012.

It is a super-4 number, since 4×210001211012200⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17479111 + ... + 26935510.

It is an arithmetic number, because the mean of its divisors is an integer number (5204505405960).

Almost surely, 2^{210001211012200} is an apocalyptic number.

210001211012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001211012200 is an abundant number, since it is smaller than the sum of its proper divisors (289631307959960).

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

210001211012200 is a wasteful number, since it uses less digits than its factorization.

210001211012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44415187 (or 44415178 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210001211012200 its reverse (2210112100012), we get a palindrome (212211323112212).

The spelling of 210001211012200 in words is "two hundred ten trillion, one billion, two hundred eleven million, twelve thousand, two hundred".