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121223331332 = 22171782696049
BaseRepresentation
bin111000011100101111…
…0010011111000000100
3102120220021002021121022
41300321132103320010
53441231133100312
6131404512410312
711521012213025
oct1607136237004
9376807067538
10121223331332
1147457457054
121b5b1546998
13b57b78a36c
145c1d9cac4c
15324759e172
hex1c39793e04

121223331332 has 12 divisors (see below), whose sum is σ = 224619702300. Its totient is φ = 57046273536.

The previous prime is 121223331311. The next prime is 121223331373. The reversal of 121223331332 is 233133322121.

It can be written as a sum of positive squares in 2 ways, for example, as 113019681856 + 8203649476 = 336184^2 + 90574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891347957 + ... + 891348092.

It is an arithmetic number, because the mean of its divisors is an integer number (18718308525).

Almost surely, 2121223331332 is an apocalyptic number.

It is an amenable number.

121223331332 is a deficient number, since it is larger than the sum of its proper divisors (103396370968).

121223331332 is a wasteful number, since it uses less digits than its factorization.

121223331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782696070 (or 1782696068 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 121223331332 its reverse (233133322121), we get a palindrome (354356653453).

The spelling of 121223331332 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 1782696049 3565392098 7130784196 30305832833 60611665666 121223331332