12120220220210 has 8 divisors (see below), whose sum is σ = 21816396396396. Its totient is φ = 4848088088080.

The previous prime is 12120220220197. The next prime is 12120220220249. The reversal of 12120220220210 is 1202202202121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10662987368929 + 1457232851281 = 3265423^2 + 1207159^2 .

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, 606011011001 + ... + 606011011020.

Almost surely, 2^{12120220220210} is an apocalyptic number.

12120220220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120220220210 is a deficient number, since it is larger than the sum of its proper divisors (9696176176186).

12120220220210 is a wasteful number, since it uses less digits than its factorization.

12120220220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212022022028.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12120220220210 its reverse (1202202202121), we get a palindrome (13322422422331).

The spelling of 12120220220210 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred ten".