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121023121322 = 260511560661
BaseRepresentation
bin111000010110110001…
…0100100011110101010
3102120101022100120002202
41300231202210132222
53440323404340242
6131333001300202
711513031362255
oct1605542443652
9376338316082
10121023121322
1147364440334
121b556494662
13b54915b5bc
145c0119209c
153234c02932
hex1c2d8a47aa

121023121322 has 4 divisors (see below), whose sum is σ = 181534681986. Its totient is φ = 60511560660.

The previous prime is 121023121319. The next prime is 121023121337. The reversal of 121023121322 is 223121320121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69426453121 + 51596668201 = 263489^2 + 227149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121023121294 and 121023121303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255780329 + ... + 30255780332.

Almost surely, 2121023121322 is an apocalyptic number.

121023121322 is a deficient number, since it is larger than the sum of its proper divisors (60511560664).

121023121322 is an equidigital number, since it uses as much as digits as its factorization.

121023121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60511560663.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121023121322 its reverse (223121320121), we get a palindrome (344144441443).

The spelling of 121023121322 in words is "one hundred twenty-one billion, twenty-three million, one hundred twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 60511560661 121023121322