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1222233131120 = 24515277914139
BaseRepresentation
bin10001110010010010110…
…001011000100001110000
311022211210112021012020012
4101302102301120201300
5130011113140143440
62333253001434052
7154206035125211
oct21622261304160
94284715235205
101222233131120
11431389814621
12178a6349b928
138b3438241b1
1443229233408
1521bd6a19e65
hex11c92c58870

1222233131120 has 20 divisors (see below), whose sum is σ = 2841692030040. Its totient is φ = 488893252416.

The previous prime is 1222233131099. The next prime is 1222233131179. The reversal of 1222233131120 is 211313322221.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×12222331311202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 7638956990 + ... + 7638957149.

It is an arithmetic number, because the mean of its divisors is an integer number (142084601502).

Almost surely, 21222233131120 is an apocalyptic number.

1222233131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222233131120 is an abundant number, since it is smaller than the sum of its proper divisors (1619458898920).

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

1222233131120 is a wasteful number, since it uses less digits than its factorization.

1222233131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277914152 (or 15277914146 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1222233131120 its reverse (211313322221), we get a palindrome (1433546453341).

The spelling of 1222233131120 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-three million, one hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 15277914139 30555828278 61111656556 76389570695 122223313112 152779141390 244446626224 305558282780 611116565560 1222233131120