12212101210 has 8 divisors (see below), whose sum is σ = 21981782196. Its totient is φ = 4884840480.

The previous prime is 12212101171. The next prime is 12212101277. The reversal of 12212101210 is 1210121221.

It can be written as a sum of positive squares in 2 ways, for example, as 10983668809 + 1228432401 = 104803^2 + 35049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610605051 + ... + 610605070.

Almost surely, 2^12212101210 is an apocalyptic number.

12212101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212101210 is a deficient number, since it is larger than the sum of its proper divisors (9769680986).

12212101210 is a wasteful number, since it uses less digits than its factorization.

12212101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221210128.

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

Adding to 12212101210 its reverse (1210121221), we get a palindrome (13422222431).

The spelling of 12212101210 in words is "twelve billion, two hundred twelve million, one hundred one thousand, two hundred ten".