210010001211200 has 42 divisors (see below), whose sum is σ = 516755859234246. Its totient is φ = 84004000483840.

The previous prime is 210010001211163. The next prime is 210010001211209. The reversal of 210010001211200 is 2112100010012.

It can be written as a sum of positive squares in 3 ways, for example, as 1851820185856 + 208158181025344 = 1360816^2 + 14427688^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010001211209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65628123779 + ... + 65628126978.

Almost surely, 2^{210010001211200} is an apocalyptic number.

210010001211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010001211200 is an abundant number, since it is smaller than the sum of its proper divisors (306745858023046).

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

210010001211200 is a wasteful number, since it uses less digits than its factorization.

210010001211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131256250779 (or 131256250764 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210010001211200 its reverse (2112100010012), we get a palindrome (212122101221212).

The spelling of 210010001211200 in words is "two hundred ten trillion, ten billion, one million, two hundred eleven thousand, two hundred".