Search a number
-
+
122132221301220 = 223513156579770899
BaseRepresentation
bin11011110001010000011111…
…101010101001000111100100
3121000102201121111022220221220
4123301100133222221013210
5112002003242123114340
61111430433511140340
734503522204204354
oct3361203752510744
9530381544286856
10122132221301220
1135a07a90a42659
12118460619746b0
13531c032b14990
14222333400cb64
15e1be154beed0
hex6f141faa91e4

122132221301220 has 48 divisors (see below), whose sum is σ = 368275621156800. Its totient is φ = 30063316012416.

The previous prime is 122132221301177. The next prime is 122132221301309. The reversal of 122132221301220 is 22103122231221.

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, 78289884670 + ... + 78289886229.

It is an arithmetic number, because the mean of its divisors is an integer number (7672408774100).

Almost surely, 2122132221301220 is an apocalyptic number.

122132221301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122132221301220 is an abundant number, since it is smaller than the sum of its proper divisors (246143399855580).

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

122132221301220 is a wasteful number, since it uses less digits than its factorization.

122132221301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156579770924 (or 156579770922 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 122132221301220 its reverse (22103122231221), we get a palindrome (144235343532441).

The spelling of 122132221301220 in words is "one hundred twenty-two trillion, one hundred thirty-two billion, two hundred twenty-one million, three hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 156579770899 313159541798 469739312697 626319083596 782898854495 939478625394 1565797708990 1878957250788 2035537021687 2348696563485 3131595417980 4071074043374 4697393126970 6106611065061 8142148086748 9394786253940 10177685108435 12213222130122 20355370216870 24426444260244 30533055325305 40710740433740 61066110650610 122132221301220