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20212001120122 = 2721910854995231
BaseRepresentation
bin1001001100001111110010…
…01001011001111101111010
32122120020201002222021000121
410212013321021121331322
510122123134241320442
6110553133133523454
74154161141556200
oct446077111317572
978506632867017
1020212001120122
116492952785429
12232527a34358a
13b37ca2a6a506
144dc3a216d070
15250b61bec967
hex1261f9259f7a

20212001120122 has 24 divisors (see below), whose sum is σ = 37124083693440. Its totient is φ = 8206376393880.

The previous prime is 20212001120083. The next prime is 20212001120159. The reversal of 20212001120122 is 22102110021202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212001120096 and 20212001120105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5427495754 + ... + 5427499477.

It is an arithmetic number, because the mean of its divisors is an integer number (1546836820560).

Almost surely, 220212001120122 is an apocalyptic number.

20212001120122 is a deficient number, since it is larger than the sum of its proper divisors (16912082573318).

20212001120122 is a wasteful number, since it uses less digits than its factorization.

20212001120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10854995266 (or 10854995259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212001120122 its reverse (22102110021202), we get a palindrome (42314111141324).

The spelling of 20212001120122 in words is "twenty trillion, two hundred twelve billion, one million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 19 38 49 98 133 266 931 1862 10854995231 21709990462 75984966617 151969933234 206244909389 412489818778 531894766319 1063789532638 1443714365723 2887428731446 10106000560061 20212001120122