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12220012222010 = 251222001222201
BaseRepresentation
bin1011000111010011000101…
…1111001101011000111010
31121021012222122212222222122
42301310301133031120322
53100203041112101020
641553443543321242
72400603203026055
oct261646137153072
947235878788878
1012220012222010
11399152936265a
1214543a1450222
136a845aaa5738
14303647847a9c
15162d0d227125
hexb1d317cd63a

12220012222010 has 8 divisors (see below), whose sum is σ = 21996021999636. Its totient is φ = 4888004888800.

The previous prime is 12220012222009. The next prime is 12220012222013. The reversal of 12220012222010 is 1022221002221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11480434581841 + 739577640169 = 3388279^2 + 859987^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12220012222010.

It is not an unprimeable number, because it can be changed into a prime (12220012222013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611000611091 + ... + 611000611110.

Almost surely, 212220012222010 is an apocalyptic number.

12220012222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220012222010 is a deficient number, since it is larger than the sum of its proper divisors (9776009777626).

12220012222010 is a wasteful number, since it uses less digits than its factorization.

12220012222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222001222208.

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

Adding to 12220012222010 its reverse (1022221002221), we get a palindrome (13242233224231).

The spelling of 12220012222010 in words is "twelve trillion, two hundred twenty billion, twelve million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 1222001222201 2444002444402 6110006111005 12220012222010