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122220001120 = 2557109125001
BaseRepresentation
bin111000111010011100…
…0010011011101100000
3102200110201111100112011
41301310320103131200
54000301310013440
6132051434442304
711554503603610
oct1616470233540
9380421440464
10122220001120
1147919005898
121b82b293394
13b6aa0cc7b9
145cb610ca40
1532a4d239ea
hex1c74e13760

122220001120 has 48 divisors (see below), whose sum is σ = 329994006048. Its totient is φ = 41904000000.

The previous prime is 122220001087. The next prime is 122220001129. The reversal of 122220001120 is 21100022221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122220001120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220001129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54561381 + ... + 54563620.

It is an arithmetic number, because the mean of its divisors is an integer number (6874875126).

Almost surely, 2122220001120 is an apocalyptic number.

122220001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220001120 is an abundant number, since it is smaller than the sum of its proper divisors (207774004928).

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

122220001120 is a wasteful number, since it uses less digits than its factorization.

122220001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109125023 (or 109125015 counting only the distinct ones).

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

Adding to 122220001120 its reverse (21100022221), we get a palindrome (143320023341).

The spelling of 122220001120 in words is "one hundred twenty-two billion, two hundred twenty million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 109125001 218250002 436500004 545625005 763875007 873000008 1091250010 1527750014 1746000016 2182500020 3055500028 3492000032 3819375035 4365000040 6111000056 7638750070 8730000080 12222000112 15277500140 17460000160 24444000224 30555000280 61110000560 122220001120