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122013032132 = 22148120596393
BaseRepresentation
bin111000110100010001…
…0110001111011000100
3102122221022001020110002
41301220202301323010
53444340314012012
6132015122420432
711546411442515
oct1615042617304
9378838036402
10122013032132
11478221a2a42
121b791b01718
13b676275444
145c96834a0c
153291a8e7c2
hex1c688b1ec4

122013032132 has 12 divisors (see below), whose sum is σ = 213666991356. Its totient is φ = 60965320320.

The previous prime is 122013032131. The next prime is 122013032149. The reversal of 122013032132 is 231230310221.

It can be written as a sum of positive squares in 2 ways, for example, as 43979961796 + 78033070336 = 209714^2 + 279344^2 .

It is not an unprimeable number, because it can be changed into a prime (122013032131) 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 3 ways as a sum of consecutive naturals, for example, 10292273 + ... + 10304120.

It is an arithmetic number, because the mean of its divisors is an integer number (17805582613).

Almost surely, 2122013032132 is an apocalyptic number.

It is an amenable number.

122013032132 is a deficient number, since it is larger than the sum of its proper divisors (91653959224).

122013032132 is a wasteful number, since it uses less digits than its factorization.

122013032132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20597878 (or 20597876 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122013032132 its reverse (231230310221), we get a palindrome (353243342353).

The spelling of 122013032132 in words is "one hundred twenty-two billion, thirteen million, thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 1481 2962 5924 20596393 41192786 82385572 30503258033 61006516066 122013032132