Search a number
-
+
122010020212 = 2230502505053
BaseRepresentation
bin111000110100001011…
…1010010100101110100
3102122221002101012212111
41301220113102211310
53444334031121322
6132014534100404
711546344026433
oct1615027224564
9378832335774
10122010020212
1147820526053
121b790aaa704
13b67575c542
145c9628d11a
153291697177
hex1c685d2974

122010020212 has 6 divisors (see below), whose sum is σ = 213517535378. Its totient is φ = 61005010104.

The previous prime is 122010020189. The next prime is 122010020227. The reversal of 122010020212 is 212020010221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104319956196 + 17690064016 = 322986^2 + 133004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122010020192 and 122010020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251252523 + ... + 15251252530.

Almost surely, 2122010020212 is an apocalyptic number.

It is an amenable number.

122010020212 is a deficient number, since it is larger than the sum of its proper divisors (91507515166).

122010020212 is a wasteful number, since it uses less digits than its factorization.

122010020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30502505057 (or 30502505055 counting only the distinct ones).

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

Adding to 122010020212 its reverse (212020010221), we get a palindrome (334030030433).

Subtracting 122010020212 from its reverse (212020010221), we obtain a palindrome (90009990009).

The spelling of 122010020212 in words is "one hundred twenty-two billion, ten million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 30502505053 61005010106 122010020212