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120022122212021 = 443270930298447
BaseRepresentation
bin11011010010100011010011…
…111101011010101010110101
3120201222000002001121211210102
4123102203103331122222311
5111212420301241241041
61103133222440403445
734165212034656131
oct3322432375325265
9521860061554712
10120022122212021
1135274107022567
1211565111a76585
1351c806469b663
14218d15d1443c1
15dd20b687509b
hex6d28d3f5aab5

120022122212021 has 4 divisors (see below), whose sum is σ = 120293052510912. Its totient is φ = 119751191913132.

The previous prime is 120022122211997. The next prime is 120022122212089. The reversal of 120022122212021 is 120212221220021.

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 a de Polignac number, because none of the positive numbers 2k-120022122212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120022122211984 and 120022122212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022122212621) 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, 135465148781 + ... + 135465149666.

It is an arithmetic number, because the mean of its divisors is an integer number (30073263127728).

Almost surely, 2120022122212021 is an apocalyptic number.

It is an amenable number.

120022122212021 is a deficient number, since it is larger than the sum of its proper divisors (270930298891).

120022122212021 is an equidigital number, since it uses as much as digits as its factorization.

120022122212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270930298890.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120022122212021 its reverse (120212221220021), we get a palindrome (240234343432042).

The spelling of 120022122212021 in words is "one hundred twenty trillion, twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, twenty-one".

Divisors: 1 443 270930298447 120022122212021