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12221012021202 = 2324722696366523
BaseRepresentation
bin1011000111010110110100…
…0101001000111111010010
31121021022120100012001122100
42301311231011020333102
53100212113034134302
641554131100421230
72400640033132365
oct261655505107722
947238510161570
1012221012021202
1139919a1759586
121454620247816
136a8589c723aa
143037005420dc
15162d6adb8d1c
hexb1d6d148fd2

12221012021202 has 48 divisors (see below), whose sum is σ = 27054161746560. Its totient is φ = 3985239043296.

The previous prime is 12221012021191. The next prime is 12221012021269. The reversal of 12221012021202 is 20212021012221.

It is a happy number.

12221012021202 is a `hidden beast` number, since 122 + 210 + 120 + 212 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1263688 + ... + 5102835.

It is an arithmetic number, because the mean of its divisors is an integer number (563628369720).

Almost surely, 212221012021202 is an apocalyptic number.

12221012021202 is an abundant number, since it is smaller than the sum of its proper divisors (14833149725358).

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

12221012021202 is a wasteful number, since it uses less digits than its factorization.

12221012021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368847 (or 6368844 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12221012021202 its reverse (20212021012221), we get a palindrome (32433033033423).

The spelling of 12221012021202 in words is "twelve trillion, two hundred twenty-one billion, twelve million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 2269 4538 6807 13614 20421 40842 106643 213286 319929 639858 959787 1919574 6366523 12733046 19099569 38199138 57298707 114597414 299226581 598453162 897679743 1795359486 2693039229 5386078458 14445640687 28891281374 43336922061 86673844122 130010766183 260021532366 678945112289 1357890224578 2036835336867 4073670673734 6110506010601 12221012021202