Search a number
-
+
202202101212 = 223145311596817
BaseRepresentation
bin1011110001010000101…
…1110011010111011100
3201022220210221000110120
42330110023303113130
511303102214214322
6232520152434540
720415520334106
oct2742413632734
9638823830416
10202202101212
11788318a6461
12332310a8a50
13160b5608047
149b02748576
1553d6958a5c
hex2f142f35dc

202202101212 has 24 divisors (see below), whose sum is σ = 472129654416. Its totient is φ = 67354307328.

The previous prime is 202202101201. The next prime is 202202101219. The reversal of 202202101212 is 212101202202.

It is a junction number, because it is equal to n+sod(n) for n = 202202101191 and 202202101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5780973 + ... + 5815844.

It is an arithmetic number, because the mean of its divisors is an integer number (19672068934).

Almost surely, 2202202101212 is an apocalyptic number.

It is an amenable number.

202202101212 is an abundant number, since it is smaller than the sum of its proper divisors (269927553204).

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

202202101212 is a wasteful number, since it uses less digits than its factorization.

202202101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598277 (or 11598275 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202202101212 its reverse (212101202202), we get a palindrome (414303303414).

The spelling of 202202101212 in words is "two hundred two billion, two hundred two million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1453 2906 4359 5812 8718 17436 11596817 23193634 34790451 46387268 69580902 139161804 16850175101 33700350202 50550525303 67400700404 101101050606 202202101212