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20122001002011 = 389397189831989
BaseRepresentation
bin1001001001101000001001…
…01110001100111000011011
32122020122101211212112212210
410210310010232030320123
510114134324224031021
6110443530351010203
74144523641311246
oct444640456147033
978218354775783
1020122001002011
116458768a93627
12230b941509963
13b2c65bc0655c
144d7ca524025d
1524d64584ae76
hex124d04b8ce1b

20122001002011 has 16 divisors (see below), whose sum is σ = 27199127527200. Its totient is φ = 13230530235648.

The previous prime is 20122001001989. The next prime is 20122001002013. The reversal of 20122001002011 is 11020010022102.

It is not a de Polignac number, because 20122001002011 - 215 = 20122000969243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122001002013) 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, 94809996 + ... + 95021993.

It is an arithmetic number, because the mean of its divisors is an integer number (1699945470450).

Almost surely, 220122001002011 is an apocalyptic number.

20122001002011 is a deficient number, since it is larger than the sum of its proper divisors (7077126525189).

20122001002011 is a wasteful number, since it uses less digits than its factorization.

20122001002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189832478.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122001002011 its reverse (11020010022102), we get a palindrome (31142011024113).

The spelling of 20122001002011 in words is "twenty trillion, one hundred twenty-two billion, one million, two thousand, eleven".

Divisors: 1 3 89 267 397 1191 35333 105999 189831989 569495967 16895047021 50685141063 75363299633 226089898899 6707333667337 20122001002011