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1222023130000 = 2454122202313
BaseRepresentation
bin10001110010000110010…
…000010010101110010000
311022211020220010000211221
4101302012100102232100
5130010200410130000
62333220100414424
7154200605135101
oct21620620225620
94284226100757
101222023130000
11431291220682
12178a050a7414
138b30c17798a
14432093aa3a8
1521bc338761a
hex11c86412b90

1222023130000 has 50 divisors (see below), whose sum is σ = 2958640224254. Its totient is φ = 488809248000.

The previous prime is 1222023129989. The next prime is 1222023130043. The reversal of 1222023130000 is 313202221.

It can be written as a sum of positive squares in 5 ways, for example, as 555853749136 + 666169380864 = 745556^2 + 816192^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61091157 + ... + 61111156.

Almost surely, 21222023130000 is an apocalyptic number.

1222023130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222023130000 is an abundant number, since it is smaller than the sum of its proper divisors (1736617094254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222023130000 is an equidigital number, since it uses as much as digits as its factorization.

1222023130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122202341 (or 122202320 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1222023130000 its reverse (313202221), we get a palindrome (1222336332221).

The spelling of 1222023130000 in words is "one trillion, two hundred twenty-two billion, twenty-three million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 122202313 244404626 488809252 611011565 977618504 1222023130 1955237008 2444046260 3055057825 4888092520 6110115650 9776185040 12220231300 15275289125 24440462600 30550578250 48880925200 61101156500 76376445625 122202313000 152752891250 244404626000 305505782500 611011565000 1222023130000