212021101210 has 16 divisors (see below), whose sum is σ = 383349367296. Its totient is φ = 84428132688.

The previous prime is 212021101183. The next prime is 212021101219. The reversal of 212021101210 is 12101120212.

It is not an unprimeable number, because it can be changed into a prime (212021101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47536134 + ... + 47540593.

It is an arithmetic number, because the mean of its divisors is an integer number (23959335456).

Almost surely, 2^212021101210 is an apocalyptic number.

212021101210 is a deficient number, since it is larger than the sum of its proper divisors (171328266086).

212021101210 is a wasteful number, since it uses less digits than its factorization.

212021101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95076957.

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

Adding to 212021101210 its reverse (12101120212), we get a palindrome (224122221422).

The spelling of 212021101210 in words is "two hundred twelve billion, twenty-one million, one hundred one thousand, two hundred ten".