210012112210000 has 100 divisors (see below), whose sum is σ = 509128490922084. Its totient is φ = 83894454400000.

The previous prime is 210012112209989. The next prime is 210012112210037. The reversal of 210012112210000 is 12211210012.

It can be written as a sum of positive squares in 10 ways, for example, as 207433043231296 + 2579068978704 = 14402536^2 + 1605948^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6188431 + ... + 21408430.

Almost surely, 2^{210012112210000} is an apocalyptic number.

210012112210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210012112210000 is an abundant number, since it is smaller than the sum of its proper divisors (299116378712084).

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

210012112210000 is an equidigital number, since it uses as much as digits as its factorization.

210012112210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27597650 (or 27597629 counting only the distinct ones).

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

Adding to 210012112210000 its reverse (12211210012), we get a palindrome (210024323420012).

The spelling of 210012112210000 in words is "two hundred ten trillion, twelve billion, one hundred twelve million, two hundred ten thousand".