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121120102000 = 245360560051
BaseRepresentation
bin111000011001101010…
…0100001011001110000
3102120122001211200120201
41300303110201121300
53441023221231000
6131350344044544
711515316610622
oct1606324413160
9376561750521
10121120102000
114740415a357
121b582a63754
13b563285a11
145c0ddd8c12
15323d4ac96a
hex1c33521670

121120102000 has 40 divisors (see below), whose sum is σ = 292868411472. Its totient is φ = 48448040000.

The previous prime is 121120101997. The next prime is 121120102001. The reversal of 121120102000 is 201021121.

121120102000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30278026 + ... + 30282025.

Almost surely, 2121120102000 is an apocalyptic number.

121120102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120102000 is an abundant number, since it is smaller than the sum of its proper divisors (171748309472).

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

121120102000 is an equidigital number, since it uses as much as digits as its factorization.

121120102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60560074 (or 60560058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121120102000 its reverse (201021121), we get a palindrome (121321123121).

The spelling of 121120102000 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 60560051 121120102 242240204 302800255 484480408 605600510 968960816 1211201020 1514001275 2422402040 3028002550 4844804080 6056005100 7570006375 12112010200 15140012750 24224020400 30280025500 60560051000 121120102000