Search a number
-
+
122202210222220 = 2256110110511111
BaseRepresentation
bin11011110010010001101011…
…010101001100000010001100
3121000200102021010211111022011
4123302101223111030002030
5112004130111304102340
61111522530444431004
734511550455211622
oct3362215325140214
9530612233744264
10122202210222220
1135a34736957927
1211857734b48464
135325807b805bb
14222689337d512
15e1db5eb430ea
hex6f246b54c08c

122202210222220 has 12 divisors (see below), whose sum is σ = 256624641466704. Its totient is φ = 48880884088880.

The previous prime is 122202210222199. The next prime is 122202210222221. The reversal of 122202210222220 is 22222012202221.

It is a junction number, because it is equal to n+sod(n) for n = 122202210222191 and 122202210222200.

It is not an unprimeable number, because it can be changed into a prime (122202210222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055055255536 + ... + 3055055255575.

It is an arithmetic number, because the mean of its divisors is an integer number (21385386788892).

Almost surely, 2122202210222220 is an apocalyptic number.

122202210222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202210222220 is an abundant number, since it is smaller than the sum of its proper divisors (134422431244484).

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

122202210222220 is a wasteful number, since it uses less digits than its factorization.

122202210222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110110511120 (or 6110110511118 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 122202210222220 its reverse (22222012202221), we get a palindrome (144424222424441).

The spelling of 122202210222220 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6110110511111 12220221022222 24440442044444 30550552555555 61101105111110 122202210222220