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122220121010010 = 235311259104384023
BaseRepresentation
bin11011110010100010010110…
…111001011010111101011010
3121000202010111101010210011220
4123302202112321122331122
5112004423301434310020
61111535052023032510
734513053351332052
oct3362422671327532
9530663441123156
10122220121010010
1135a41298046891
121185b0b329b736
13532740077669a
1422276b1dc6562
15e1e35c278240
hex6f2896e5af5a

122220121010010 has 64 divisors (see below), whose sum is σ = 303030997032960. Its totient is φ = 31515623922240.

The previous prime is 122220121010003. The next prime is 122220121010047. The reversal of 122220121010010 is 10010121022221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51021142 + ... + 53362881.

It is an arithmetic number, because the mean of its divisors is an integer number (4734859328640).

Almost surely, 2122220121010010 is an apocalyptic number.

122220121010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220121010010 is an abundant number, since it is smaller than the sum of its proper divisors (180810876022950).

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

122220121010010 is a wasteful number, since it uses less digits than its factorization.

122220121010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104385323.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122220121010010 its reverse (10010121022221), we get a palindrome (132230242032231).

The spelling of 122220121010010 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, ten thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1259 2518 3777 6295 7554 12590 18885 37770 39029 78058 117087 195145 234174 390290 585435 1170870 104384023 208768046 313152069 521920115 626304138 1043840230 1565760345 3131520690 3235904713 6471809426 9707714139 16179523565 19415428278 32359047130 48538570695 97077141390 131419484957 262838969914 394258454871 657097424785 788516909742 1314194849570 1971292274355 3942584548710 4074004033667 8148008067334 12222012101001 20370020168335 24444024202002 40740040336670 61110060505005 122220121010010