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12212211021122 = 27872300787223
BaseRepresentation
bin1011000110110110000001…
…1111111111010101000010
31121020110211222112221012102
42301231200133333111002
53100041102010133442
641550113504430402
72400205654642130
oct261554037772502
947213758487172
1012212211021122
1139891958279a2
121452984918402
136a77b67b9138
1430310772c750
15162a033ea232
hexb1b607ff542

12212211021122 has 8 divisors (see below), whose sum is σ = 20935218893376. Its totient is φ = 5233804723332.

The previous prime is 12212211021103. The next prime is 12212211021149. The reversal of 12212211021122 is 22112011221221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12212211021094 and 12212211021103.

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, 436150393598 + ... + 436150393625.

It is an arithmetic number, because the mean of its divisors is an integer number (2616902361672).

Almost surely, 212212211021122 is an apocalyptic number.

12212211021122 is a deficient number, since it is larger than the sum of its proper divisors (8723007872254).

12212211021122 is an equidigital number, since it uses as much as digits as its factorization.

12212211021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872300787232.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12212211021122 its reverse (22112011221221), we get a palindrome (34324222242343).

The spelling of 12212211021122 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 872300787223 1744601574446 6106105510561 12212211021122