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121010010122020 = 2256790305977703
BaseRepresentation
bin11011100000111011010110…
…101010101110011100100100
3120212110102222200000100100111
4123200323112222232130210
5111330112000042401040
61105211121535022404
734326453600443335
oct3340732652563444
9525412880010314
10121010010122020
1135615069a97a18
12116a467366aa04
13526a26c517c26
1421c4cb6b1228c
15decb34ac8dea
hex6e0ed6aae724

121010010122020 has 24 divisors (see below), whose sum is σ = 257913872322624. Its totient is φ = 47681556226656.

The previous prime is 121010010121991. The next prime is 121010010122039. The reversal of 121010010122020 is 20221010010121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45152987512 + ... + 45152990191.

It is an arithmetic number, because the mean of its divisors is an integer number (10746411346776).

Almost surely, 2121010010122020 is an apocalyptic number.

121010010122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010010122020 is an abundant number, since it is smaller than the sum of its proper divisors (136903862200604).

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

121010010122020 is a wasteful number, since it uses less digits than its factorization.

121010010122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90305977779 (or 90305977777 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121010010122020 its reverse (20221010010121), we get a palindrome (141231020132141).

The spelling of 121010010122020 in words is "one hundred twenty-one trillion, ten billion, ten million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 90305977703 180611955406 361223910812 451529888515 903059777030 1806119554060 6050500506101 12101001012202 24202002024404 30252502530505 60505005061010 121010010122020