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121612052922 = 2390722346941
BaseRepresentation
bin111000101000010100…
…1001010100110111010
3102121220100112101101020
41301100221022212322
53443030141143142
6131511240203310
711533442252103
oct1612051124672
9377810471336
10121612052922
1147636919368
121b69b769536
13b611180239
145c594973aa
15326b785cec
hex1c50a4a9ba

121612052922 has 16 divisors (see below), whose sum is σ = 243492280032. Its totient is φ = 40492655280.

The previous prime is 121612052899. The next prime is 121612052923. The reversal of 121612052922 is 229250216121.

It is not an unprimeable number, because it can be changed into a prime (121612052923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11168029 + ... + 11178912.

It is an arithmetic number, because the mean of its divisors is an integer number (15218267502).

Almost surely, 2121612052922 is an apocalyptic number.

121612052922 is an abundant number, since it is smaller than the sum of its proper divisors (121880227110).

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

121612052922 is a wasteful number, since it uses less digits than its factorization.

121612052922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347853.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 121612052922 in words is "one hundred twenty-one billion, six hundred twelve million, fifty-two thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 907 1814 2721 5442 22346941 44693882 67040823 134081646 20268675487 40537350974 60806026461 121612052922