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121322401422 = 23184571095541
BaseRepresentation
bin111000011111101100…
…0001110111010001110
3102121011011111120012220
41300333120032322032
53441432013321142
6131422412040210
711523324253065
oct1607730167216
9377134446186
10121322401422
11474a8372962
121b61a763066
13b596166811
145c2cc191dc
15325111d2ec
hex1c3f60ee8e

121322401422 has 16 divisors (see below), whose sum is σ = 242658170832. Its totient is φ = 40438572480.

The previous prime is 121322401411. The next prime is 121322401423. The reversal of 121322401422 is 224104223121.

It is a junction number, because it is equal to n+sod(n) for n = 121322401392 and 121322401401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322401423) 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, 437029 + ... + 658512.

It is an arithmetic number, because the mean of its divisors is an integer number (15166135677).

Almost surely, 2121322401422 is an apocalyptic number.

121322401422 is an abundant number, since it is smaller than the sum of its proper divisors (121335769410).

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

121322401422 is a wasteful number, since it uses less digits than its factorization.

121322401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114003.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 121322401422 its reverse (224104223121), we get a palindrome (345426624543).

The spelling of 121322401422 in words is "one hundred twenty-one billion, three hundred twenty-two million, four hundred one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 18457 36914 55371 110742 1095541 2191082 3286623 6573246 20220400237 40440800474 60661200711 121322401422