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12220102022212 = 2272227274658411
BaseRepresentation
bin1011000111010011011011…
…0101110001010001000100
31121021020012220212022201001
42301310312311301101010
53100203232104202322
641553500512143044
72400605343230200
oct261646665612104
947236186768631
1012220102022212
1139915750178a7
121454407537a84
136a8473587756
14303655741b00
15162d16064827
hexb1d36d71444

12220102022212 has 36 divisors (see below), whose sum is σ = 24986225056464. Its totient is φ = 5214115255440.

The previous prime is 12220102022209. The next prime is 12220102022263. The reversal of 12220102022212 is 21222020102221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220102022212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137284714 + ... + 137373697.

It is an arithmetic number, because the mean of its divisors is an integer number (694061807124).

Almost surely, 212220102022212 is an apocalyptic number.

It is an amenable number.

12220102022212 is an abundant number, since it is smaller than the sum of its proper divisors (12766123034252).

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

12220102022212 is a wasteful number, since it uses less digits than its factorization.

12220102022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274658656 (or 274658647 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12220102022212 its reverse (21222020102221), we get a palindrome (33442122124433).

The spelling of 12220102022212 in words is "twelve trillion, two hundred twenty billion, one hundred two million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 227 454 908 1589 3178 6356 11123 22246 44492 274658411 549316822 1098633644 1922608877 3845217754 7690435508 13458262139 26916524278 53833048556 62347459297 124694918594 249389837188 436432215079 872864430158 1745728860316 3055025505553 6110051011106 12220102022212