Search a number
-
+
122002020012220 = 22523925523435149
BaseRepresentation
bin11011101111010111001111…
…000100001001000010111100
3120222222021112112122010201221
4123233113033010021002330
5111442340114110342340
61111250542041443124
734461232534413535
oct3357271704110274
9528867475563657
10122002020012220
1135967847790087
12118249857a04a4
13530c98332423a
14221ad01d0768c
15e18844b4a44a
hex6ef5cf1090bc

122002020012220 has 24 divisors (see below), whose sum is σ = 257276226312000. Its totient is φ = 48596620521792.

The previous prime is 122002020012161. The next prime is 122002020012233. The reversal of 122002020012220 is 22210020200221.

It is a junction number, because it is equal to n+sod(n) for n = 122002020012194 and 122002020012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12761712795 + ... + 12761722354.

It is an arithmetic number, because the mean of its divisors is an integer number (10719842763000).

Almost surely, 2122002020012220 is an apocalyptic number.

122002020012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002020012220 is an abundant number, since it is smaller than the sum of its proper divisors (135274206299780).

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

122002020012220 is a wasteful number, since it uses less digits than its factorization.

122002020012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25523435397 (or 25523435395 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122002020012220 its reverse (22210020200221), we get a palindrome (144212040212441).

The spelling of 122002020012220 in words is "one hundred twenty-two trillion, two billion, twenty million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4780 25523435149 51046870298 102093740596 127617175745 255234351490 510468702980 6100101000611 12200202001222 24400404002444 30500505003055 61001010006110 122002020012220