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7012120222021 = 10368078837107
BaseRepresentation
bin110011000001010001011…
…1011110101100101000101
3220211100111201022001100011
41212002202323311211011
51404341310234101041
622525153515550221
71322415606311365
oct146024273654505
926740451261304
107012120222021
112263907072562
12952bb4a5b371
133bb317664135
141a3561bca9a5
15c26047bae81
hex660a2ef5945

7012120222021 has 4 divisors (see below), whose sum is σ = 7080199059232. Its totient is φ = 6944041384812.

The previous prime is 7012120222013. The next prime is 7012120222033. The reversal of 7012120222021 is 1202220212107.

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 7012120222021 - 23 = 7012120222013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7012120221983 and 7012120222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7012120222621) 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, 34039418451 + ... + 34039418656.

It is an arithmetic number, because the mean of its divisors is an integer number (1770049764808).

Almost surely, 27012120222021 is an apocalyptic number.

It is an amenable number.

7012120222021 is a deficient number, since it is larger than the sum of its proper divisors (68078837211).

7012120222021 is a wasteful number, since it uses less digits than its factorization.

7012120222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68078837210.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 7012120222021 its reverse (1202220212107), we get a palindrome (8214340434128).

The spelling of 7012120222021 in words is "seven trillion, twelve billion, one hundred twenty million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 103 68078837107 7012120222021