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120122221002 = 23721921504157
BaseRepresentation
bin110111111011111010…
…1111010000111001010
3102111001112011002012020
41233313311322013022
53432002242033002
6131103340025310
711451512013600
oct1576765720712
9374045132166
10120122221002
1146a41953613
121b344832236
13b43460b1a4
145b5767d870
1531d0a992bc
hex1bf7d7a1ca

120122221002 has 48 divisors (see below), whose sum is σ = 294176881440. Its totient is φ = 32514283872.

The previous prime is 120122220971. The next prime is 120122221007. The reversal of 120122221002 is 200122221021.

It is not an unprimeable number, because it can be changed into a prime (120122221007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10746493 + ... + 10757664.

It is an arithmetic number, because the mean of its divisors is an integer number (6128685030).

Almost surely, 2120122221002 is an apocalyptic number.

120122221002 is an abundant number, since it is smaller than the sum of its proper divisors (174054660438).

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

120122221002 is a wasteful number, since it uses less digits than its factorization.

120122221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21504195 (or 21504188 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120122221002 its reverse (200122221021), we get a palindrome (320244442023).

The spelling of 120122221002 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, two".

Divisors: 1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 399 798 931 1862 2793 5586 21504157 43008314 64512471 129024942 150529099 301058198 408578983 451587297 817157966 903174594 1053703693 1225736949 2107407386 2451473898 2860052881 3161111079 5720105762 6322222158 8580158643 17160317286 20020370167 40040740334 60061110501 120122221002