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12220012120210 = 251222001212021
BaseRepresentation
bin1011000111010011000101…
…1110110100100010010010
31121021012222122200211100021
42301310301132310202102
53100203041100321320
641553443541214054
72400603202123216
oct261646136644222
947235878624307
1012220012120210
1139915292a3124
1214543a140132a
136a845aa6b2bb
1430364781c946
15162d0d206daa
hexb1d317b4892

12220012120210 has 8 divisors (see below), whose sum is σ = 21996021816396. Its totient is φ = 4888004848080.

The previous prime is 12220012120201. The next prime is 12220012120229. The reversal of 12220012120210 is 1202121002221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10599068095641 + 1620944024569 = 3255621^2 + 1273163^2 .

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, 611000606001 + ... + 611000606020.

Almost surely, 212220012120210 is an apocalyptic number.

12220012120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220012120210 is a deficient number, since it is larger than the sum of its proper divisors (9776009696186).

12220012120210 is a wasteful number, since it uses less digits than its factorization.

12220012120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222001212028.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220012120210 its reverse (1202121002221), we get a palindrome (13422133122431).

The spelling of 12220012120210 in words is "twelve trillion, two hundred twenty billion, twelve million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 1222001212021 2444002424042 6110006060105 12220012120210