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122112102130 = 25157265929251
BaseRepresentation
bin111000110111001110…
…0101100111011110010
3102200012012110111221021
41301232130230323302
54000041144232010
6132033022050054
711552023512364
oct1615634547362
9380165414837
10122112102130
1147873109777
121b7bb11992a
13b690951845
145ca5a62d34
15329a60d8da
hex1c6e72cef2

122112102130 has 32 divisors (see below), whose sum is σ = 221292550080. Its totient is φ = 48513816000.

The previous prime is 122112102109. The next prime is 122112102143. The reversal of 122112102130 is 31201211221.

It is a super-2 number, since 2×1221121021302 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4160005 + ... + 4189255.

It is an arithmetic number, because the mean of its divisors is an integer number (6915392190).

Almost surely, 2122112102130 is an apocalyptic number.

122112102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122112102130 is a deficient number, since it is larger than the sum of its proper divisors (99180447950).

122112102130 is a wasteful number, since it uses less digits than its factorization.

122112102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32074.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122112102130 its reverse (31201211221), we get a palindrome (153313313351).

The spelling of 122112102130 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 157 314 785 1570 2659 5318 13295 26590 29251 58502 146255 292510 417463 834926 2087315 4174630 4592407 9184814 22962035 45924070 77778409 155556818 388892045 777784090 12211210213 24422420426 61056051065 122112102130