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201202120122 = 23107569550789
BaseRepresentation
bin1011101101100010010…
…1001011010110111010
3201020100010021201021220
42323120211023112322
511244030220320442
6232233031412510
720351655542253
oct2733045132672
9636303251256
10201202120122
1178369395903
1232bb2224136
1315c863a6663
149a49a03b2a
155378c7ceec
hex2ed894b5ba

201202120122 has 32 divisors (see below), whose sum is σ = 406879588800. Its totient is φ = 66323687808.

The previous prime is 201202120121. The next prime is 201202120153. The reversal of 201202120122 is 221021202102.

It is not an unprimeable number, because it can be changed into a prime (201202120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89904 + ... + 640692.

It is an arithmetic number, because the mean of its divisors is an integer number (12714987150).

Almost surely, 2201202120122 is an apocalyptic number.

201202120122 is an abundant number, since it is smaller than the sum of its proper divisors (205677468678).

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

201202120122 is a wasteful number, since it uses less digits than its factorization.

201202120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551470.

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

Adding to 201202120122 its reverse (221021202102), we get a palindrome (422223322224).

The spelling of 201202120122 in words is "two hundred one billion, two hundred two million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 107 214 321 569 642 1138 1707 3414 60883 121766 182649 365298 550789 1101578 1652367 3304734 58934423 117868846 176803269 313398941 353606538 626797882 940196823 1880393646 33533686687 67067373374 100601060061 201202120122