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121012101122120 = 23513232715579081
BaseRepresentation
bin11011100000111101010011…
…010011010000100001001000
3120212110122101101121011020122
4123200331103103100201020
5111330130240341401440
61105212105232242412
734326556450604465
oct3340752323204110
9525418341534218
10121012101122120
1135615a4233927a
12116a4b579a0408
13526a5137a44b0
1421c50346d866c
15decc084647b5
hex6e0f534d0848

121012101122120 has 32 divisors (see below), whose sum is σ = 293221629643320. Its totient is φ = 44681391183360.

The previous prime is 121012101122009. The next prime is 121012101122137. The reversal of 121012101122120 is 21221101210121.

It can be written as a sum of positive squares in 4 ways, for example, as 37108589589124 + 83903511532996 = 6091682^2 + 9159886^2 .

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, 116357789021 + ... + 116357790060.

Almost surely, 2121012101122120 is an apocalyptic number.

121012101122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012101122120 is an abundant number, since it is smaller than the sum of its proper divisors (172209528521200).

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

121012101122120 is a wasteful number, since it uses less digits than its factorization.

121012101122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232715579105 (or 232715579101 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012101122120 its reverse (21221101210121), we get a palindrome (142233202332241).

The spelling of 121012101122120 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 232715579081 465431158162 930862316324 1163577895405 1861724632648 2327155790810 3025302528053 4654311581620 6050605056106 9308623163240 12101210112212 15126512640265 24202420224424 30253025280530 60506050561060 121012101122120