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122121112002 = 23712309124153
BaseRepresentation
bin111000110111011111…
…1000100100111000010
3102200012211102021011020
41301232333010213002
54000101001041002
6132033543130310
711552163216261
oct1615677044702
9380184367136
10122121112002
1147878202a4a
121b802143996
13b692787826
145ca6d2a5d8
15329b2dd2bc
hex1c6efc49c2

122121112002 has 32 divisors (see below), whose sum is σ = 247791519360. Its totient is φ = 40115994240.

The previous prime is 122121111997. The next prime is 122121112037. The reversal of 122121112002 is 200211121221.

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, 921558 + ... + 1045710.

It is an arithmetic number, because the mean of its divisors is an integer number (7743484980).

Almost surely, 2122121112002 is an apocalyptic number.

122121112002 is an abundant number, since it is smaller than the sum of its proper divisors (125670407358).

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

122121112002 is a wasteful number, since it uses less digits than its factorization.

122121112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126538.

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

Adding to 122121112002 its reverse (200211121221), we get a palindrome (322332233223).

The spelling of 122121112002 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, two".

Divisors: 1 2 3 6 71 142 213 426 2309 4618 6927 13854 124153 163939 248306 327878 372459 491817 744918 983634 8814863 17629726 26444589 52889178 286669277 573338554 860007831 1720015662 20353518667 40707037334 61060556001 122121112002