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1200330012020 = 22560016500601
BaseRepresentation
bin10001011101111001001…
…111100111010101110100
311020202021001200110100212
4101131321033213111310
5124131233440341040
62315231325524552
7152502203521136
oct21357117472564
94222231613325
101200330012020
11423069aa9aa7
12174770113758
1389262a930a9
144214c2b1056
1521353b76d65
hex117793e7574

1200330012020 has 12 divisors (see below), whose sum is σ = 2520693025284. Its totient is φ = 480132004800.

The previous prime is 1200330011999. The next prime is 1200330012053. The reversal of 1200330012020 is 202100330021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 861859716496 + 338470295524 = 928364^2 + 581782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200330011986 and 1200330012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30008250281 + ... + 30008250320.

It is an arithmetic number, because the mean of its divisors is an integer number (210057752107).

Almost surely, 21200330012020 is an apocalyptic number.

1200330012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200330012020 is an abundant number, since it is smaller than the sum of its proper divisors (1320363013264).

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

1200330012020 is a wasteful number, since it uses less digits than its factorization.

1200330012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60016500610 (or 60016500608 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1200330012020 its reverse (202100330021), we get a palindrome (1402430342041).

The spelling of 1200330012020 in words is "one trillion, two hundred billion, three hundred thirty million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 60016500601 120033001202 240066002404 300082503005 600165006010 1200330012020