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1200220011010 = 25120022001101
BaseRepresentation
bin10001011101110010101…
…011111111101000000010
311020201222101200211100101
4101131302223333220002
5124131022310323020
62315212400113014
7152466366523366
oct21356253775002
94221871624311
101200220011010
114230129a7679
1217473b30576a
138924605a437
144213b8392a6
152134919900a
hex11772affa02

1200220011010 has 8 divisors (see below), whose sum is σ = 2160396019836. Its totient is φ = 480088004400.

The previous prime is 1200220011007. The next prime is 1200220011017. The reversal of 1200220011010 is 101100220021.

It can be written as a sum of positive squares in 2 ways, for example, as 1087137790281 + 113082220729 = 1042659^2 + 336277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 120022001101 = 1200220011010 / (1 + 2 + 0 + 0 + 2 + 2 + 0 + 0 + 1 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (1200220011017) 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, 60011000541 + ... + 60011000560.

Almost surely, 21200220011010 is an apocalyptic number.

1200220011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200220011010 is a deficient number, since it is larger than the sum of its proper divisors (960176008826).

1200220011010 is a wasteful number, since it uses less digits than its factorization.

1200220011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120022001108.

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

Adding to 1200220011010 its reverse (101100220021), we get a palindrome (1301320231031).

The spelling of 1200220011010 in words is "one trillion, two hundred billion, two hundred twenty million, eleven thousand, ten".

Divisors: 1 2 5 10 120022001101 240044002202 600110005505 1200220011010