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12220120101 = 37581910481
BaseRepresentation
bin10110110000110000…
…00011110000100101
31011112122022102100210
423120120003300211
5200011322320401
65340331330033
7611553210210
oct133030036045
934478272323
1012220120101
115200a37112
1224505b0919
1311c9944ac7
1483cd5a777
154b7c514d6
hex2d8603c25

12220120101 has 8 divisors (see below), whose sum is σ = 18621135424. Its totient is φ = 6982925760.

The previous prime is 12220120097. The next prime is 12220120103. The reversal of 12220120101 is 10102102221.

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

It is not a de Polignac number, because 12220120101 - 22 = 12220120097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220120103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290955220 + ... + 290955261.

It is an arithmetic number, because the mean of its divisors is an integer number (2327641928).

Almost surely, 212220120101 is an apocalyptic number.

It is an amenable number.

12220120101 is a deficient number, since it is larger than the sum of its proper divisors (6401015323).

12220120101 is an equidigital number, since it uses as much as digits as its factorization.

12220120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581910491.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12220120101 its reverse (10102102221), we get a palindrome (22322222322).

The spelling of 12220120101 in words is "twelve billion, two hundred twenty million, one hundred twenty thousand, one hundred one".

Divisors: 1 3 7 21 581910481 1745731443 4073373367 12220120101