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121022030213 = 7130619132361
BaseRepresentation
bin111000010110101111…
…0011010000110000101
3102120101020022010101022
41300231132122012011
53440323114431323
6131332522040525
711513016166220
oct1605536320605
9376336263338
10121022030213
1147363865597
121b556049145
13b548b68a86
145c00d8a5b7
153234a894c8
hex1c2d79a185

121022030213 has 8 divisors (see below), whose sum is σ = 138312995520. Its totient is φ = 103731590880.

The previous prime is 121022030191. The next prime is 121022030243. The reversal of 121022030213 is 312030220121.

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

It is a cyclic number.

It is not a de Polignac number, because 121022030213 - 28 = 121022029957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121022030191 and 121022030200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022030243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848153 + ... + 980513.

It is an arithmetic number, because the mean of its divisors is an integer number (17289124440).

Almost surely, 2121022030213 is an apocalyptic number.

It is an amenable number.

121022030213 is a deficient number, since it is larger than the sum of its proper divisors (17290965307).

121022030213 is a wasteful number, since it uses less digits than its factorization.

121022030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262987.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121022030213 its reverse (312030220121), we get a palindrome (433052250334).

The spelling of 121022030213 in words is "one hundred twenty-one billion, twenty-two million, thirty thousand, two hundred thirteen".

Divisors: 1 7 130619 132361 914333 926527 17288861459 121022030213