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121012120022 = 2191413161071
BaseRepresentation
bin111000010110011100…
…0100110100111010110
3102120100112122122011012
41300230320212213112
53440313100320042
6131331525412222
711512536022433
oct1605470464726
9376315578135
10121012120022
1147359206952
121b55286a072
13b546aa9061
145bdd92ab8a
153233c7ce82
hex1c2ce269d6

121012120022 has 8 divisors (see below), whose sum is σ = 181527720672. Its totient is φ = 60502879800.

The previous prime is 121012120001. The next prime is 121012120039. The reversal of 121012120022 is 220021210121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121012119979 and 121012120006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542254 + ... + 1618817.

It is an arithmetic number, because the mean of its divisors is an integer number (22690965084).

Almost surely, 2121012120022 is an apocalyptic number.

121012120022 is a deficient number, since it is larger than the sum of its proper divisors (60515600650).

121012120022 is a wasteful number, since it uses less digits than its factorization.

121012120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180214.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121012120022 its reverse (220021210121), we get a palindrome (341033330143).

Subtracting 121012120022 from its reverse (220021210121), we obtain a palindrome (99009090099).

The spelling of 121012120022 in words is "one hundred twenty-one billion, twelve million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 19141 38282 3161071 6322142 60506060011 121012120022