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120010202200021 = 717144314600003
BaseRepresentation
bin11011010010011000001101…
…011110001011011111010101
3120201220212022100000111100111
4123102120031132023133111
5111212221343230400041
61103123531545243021
734164310454355430
oct3322301536133725
9521825270014314
10120010202200021
113526a04a534081
1211562945a93471
1351c6bb4c91913
14218c74bdc8817
15dd1b1a154981
hex6d260d78b7d5

120010202200021 has 4 divisors (see below), whose sum is σ = 137154516800032. Its totient is φ = 102865887600012.

The previous prime is 120010202199973. The next prime is 120010202200033. The reversal of 120010202200021 is 120002202010021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120010202200021 - 215 = 120010202167253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120010202199974 and 120010202200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010202500021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8572157299995 + ... + 8572157300008.

It is an arithmetic number, because the mean of its divisors is an integer number (34288629200008).

Almost surely, 2120010202200021 is an apocalyptic number.

It is an amenable number.

120010202200021 is a deficient number, since it is larger than the sum of its proper divisors (17144314600011).

120010202200021 is an equidigital number, since it uses as much as digits as its factorization.

120010202200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144314600010.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120010202200021 its reverse (120002202010021), we get a palindrome (240012404210042).

The spelling of 120010202200021 in words is "one hundred twenty trillion, ten billion, two hundred two million, two hundred thousand, twenty-one".

Divisors: 1 7 17144314600003 120010202200021