Search a number
-
+
122212020001 = 17192316798507
BaseRepresentation
bin111000111010001100…
…1110110111100100001
3102200110011110212111011
41301310121312330201
54000242234120001
6132050551420521
711554346013211
oct1616431667441
9380404425434
10122212020001
1147914554525
121b828684741
13b6a8566b46
145cb5032241
1532a4298d51
hex1c74676f21

122212020001 has 32 divisors (see below), whose sum is σ = 142986332160. Its totient is φ = 103606246656.

The previous prime is 122212019999. The next prime is 122212020011. The reversal of 122212020001 is 100020212221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122212020001 - 21 = 122212019999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212020011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191390 + ... + 1289896.

It is an arithmetic number, because the mean of its divisors is an integer number (4468322880).

Almost surely, 2122212020001 is an apocalyptic number.

It is an amenable number.

122212020001 is a deficient number, since it is larger than the sum of its proper divisors (20774312159).

122212020001 is a wasteful number, since it uses less digits than its factorization.

122212020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98733.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122212020001 its reverse (100020212221), we get a palindrome (222232232222).

The spelling of 122212020001 in words is "one hundred twenty-two billion, two hundred twelve million, twenty thousand, one".

Divisors: 1 17 19 23 167 323 391 437 2839 3173 3841 7429 53941 65297 72979 98507 1240643 1674619 1871633 2265661 16450669 31817761 38516237 43047559 279661373 312562711 378365387 731808503 5313566087 6432211579 7188942353 122212020001