210212001221000 has 128 divisors (see below), whose sum is σ = 525801965794560. Its totient is φ = 78467257792000.

The previous prime is 210212001220961. The next prime is 210212001221017. The reversal of 210212001221000 is 122100212012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110516174 + ... + 112402173.

It is an arithmetic number, because the mean of its divisors is an integer number (4107827857770).

Almost surely, 2^{210212001221000} is an apocalyptic number.

210212001221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210212001221000 is an abundant number, since it is smaller than the sum of its proper divisors (315589964573560).

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

210212001221000 is a wasteful number, since it uses less digits than its factorization.

210212001221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222918432 (or 222918418 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210212001221000 its reverse (122100212012), we get a palindrome (210334101433012).

The spelling of 210212001221000 in words is "two hundred ten trillion, two hundred twelve billion, one million, two hundred twenty-one thousand".