12221002100210 has 8 divisors (see below), whose sum is σ = 21997803780396. Its totient is φ = 4888400840080.

The previous prime is 12221002100101. The next prime is 12221002100221. The reversal of 12221002100210 is 1200120012221.

It can be written as a sum of positive squares in 2 ways, for example, as 11621342362081 + 599659738129 = 3409009^2 + 774377^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611050105001 + ... + 611050105020.

Almost surely, 2^{12221002100210} is an apocalyptic number.

12221002100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221002100210 is a deficient number, since it is larger than the sum of its proper divisors (9776801680186).

12221002100210 is a wasteful number, since it uses less digits than its factorization.

12221002100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222100210028.

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

Adding to 12221002100210 its reverse (1200120012221), we get a palindrome (13421122112431).

The spelling of 12221002100210 in words is "twelve trillion, two hundred twenty-one billion, two million, one hundred thousand, two hundred ten".